525322399 has 8 divisors (see below), whose sum is σ = 600537728. Its totient is φ = 450149400.

The previous prime is 525322387. The next prime is 525322433. The reversal of 525322399 is 993223525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 525322399 - 2¹⁵ = 525289631 is a prime.

It is a super-2 number, since 2×525322399² = 551927245782230402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525322319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23224 + ... + 39874.

It is an arithmetic number, because the mean of its divisors is an integer number (75067216).

Almost surely, 2^525322399 is an apocalyptic number.

525322399 is a deficient number, since it is larger than the sum of its proper divisors (75215329).

525322399 is a wasteful number, since it uses less digits than its factorization.

525322399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21165.

The product of its digits is 145800, while the sum is 40.

The square root of 525322399 is about 22919.9127179839. The cubic root of 525322399 is about 806.8794218507.

The spelling of 525322399 in words is "five hundred twenty-five million, three hundred twenty-two thousand, three hundred ninety-nine".