525552402 has 32 divisors (see below), whose sum is σ = 1084591872. Its totient is φ = 169680384.

The previous prime is 525552359. The next prime is 525552409. The reversal of 525552402 is 204255525.

It is a self number, because there is not a number n which added to its sum of digits gives 525552402.

It is not an unprimeable number, because it can be changed into a prime (525552409) 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, 17748 + ... + 36960.

It is an arithmetic number, because the mean of its divisors is an integer number (33893496).

Almost surely, 2^525552402 is an apocalyptic number.

525552402 is an abundant number, since it is smaller than the sum of its proper divisors (559039470).

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

525552402 is a wasteful number, since it uses less digits than its factorization.

525552402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19362.

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 525552402 is about 22924.9297054538. The cubic root of 525552402 is about 806.9971639012.

The spelling of 525552402 in words is "five hundred twenty-five million, five hundred fifty-two thousand, four hundred two".