1525633230 has 32 divisors (see below), whose sum is σ = 3994386048. Its totient is φ = 369850400.

The previous prime is 1525633229. The next prime is 1525633237. The reversal of 1525633230 is 323365251.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1525633237) 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, 2311236 + ... + 2311895.

It is an arithmetic number, because the mean of its divisors is an integer number (124824564).

Almost surely, 2^1525633230 is an apocalyptic number.

1525633230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1525633230 is an abundant number, since it is smaller than the sum of its proper divisors (2468752818).

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

1525633230 is a wasteful number, since it uses less digits than its factorization.

1525633230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4623152.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 1525633230 is about 39059.3552174124. The cubic root of 1525633230 is about 1151.1980532794.

Adding to 1525633230 its reverse (323365251), we get a palindrome (1848998481).

The spelling of 1525633230 in words is "one billion, five hundred twenty-five million, six hundred thirty-three thousand, two hundred thirty".