1025154250 has 32 divisors (see below), whose sum is σ = 1922019840. Its totient is φ = 409435600.

The previous prime is 1025154233. The next prime is 1025154259. The reversal of 1025154250 is 524515201.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1025154259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182991 + ... + 188509.

It is an arithmetic number, because the mean of its divisors is an integer number (60063120).

Almost surely, 2^1025154250 is an apocalyptic number.

1025154250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1025154250 is a deficient number, since it is larger than the sum of its proper divisors (896865590).

1025154250 is an equidigital number, since it uses as much as digits as its factorization.

1025154250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6279 (or 6269 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 1025154250 is about 32018.0300768177. The cubic root of 1025154250 is about 1008.3154122596.

Adding to 1025154250 its reverse (524515201), we get a palindrome (1549669451).

The spelling of 1025154250 in words is "one billion, twenty-five million, one hundred fifty-four thousand, two hundred fifty".