525939492 has 36 divisors (see below), whose sum is σ = 1328858160. Its totient is φ = 161826912.

The previous prime is 525939487. The next prime is 525939509. The reversal of 525939492 is 294939525.

It is a happy number.

It is a super-2 number, since 2×525939492² = 553224698490436128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127642 + ... + 131697.

Almost surely, 2^525939492 is an apocalyptic number.

525939492 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

525939492 is an abundant number, since it is smaller than the sum of its proper divisors (802918668).

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

525939492 is a wasteful number, since it uses less digits than its factorization.

525939492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259372 (or 259357 counting only the distinct ones).

The product of its digits is 874800, while the sum is 48.

The square root of 525939492 is about 22933.3707073339. The cubic root of 525939492 is about 807.1952436543.

The spelling of 525939492 in words is "five hundred twenty-five million, nine hundred thirty-nine thousand, four hundred ninety-two".