1026533250 has 160 divisors (see below), whose sum is σ = 2897541504. Its totient is φ = 271188000.

The previous prime is 1026533243. The next prime is 1026533257. The reversal of 1026533250 is 523356201.

1026533250 is a `hidden beast` number, since 1 + 0 + 2 + 653 + 3 + 2 + 5 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1026533243) and next prime (1026533257).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1026533257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3300595 + ... + 3300905.

Almost surely, 2^1026533250 is an apocalyptic number.

1026533250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1026533250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1448770752).

1026533250 is an abundant number, since it is smaller than the sum of its proper divisors (1871008254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1026533250 is a wasteful number, since it uses less digits than its factorization.

1026533250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1026533250 is about 32039.5575812151. The cubic root of 1026533250 is about 1008.7673260246.

Adding to 1026533250 its reverse (523356201), we get a palindrome (1549889451).

The spelling of 1026533250 in words is "one billion, twenty-six million, five hundred thirty-three thousand, two hundred fifty".