525351442 has 96 divisors (see below), whose sum is σ = 1072621440. Its totient is φ = 190149120.

The previous prime is 525351427. The next prime is 525351457. The reversal of 525351442 is 244153525.

It is an interprime number because it is at equal distance from previous prime (525351427) and next prime (525351457).

It is a super-2 number, since 2×525351442² = 551988275222958728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1997403 + ... + 1997665.

It is an arithmetic number, because the mean of its divisors is an integer number (11173140).

Almost surely, 2^525351442 is an apocalyptic number.

525351442 is an abundant number, since it is smaller than the sum of its proper divisors (547269998).

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

525351442 is a wasteful number, since it uses less digits than its factorization.

525351442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416 (or 409 counting only the distinct ones).

The product of its digits is 24000, while the sum is 31.

The square root of 525351442 is about 22920.5462849383. The cubic root of 525351442 is about 806.8942913019.

The spelling of 525351442 in words is "five hundred twenty-five million, three hundred fifty-one thousand, four hundred forty-two".