525038399 has 8 divisors (see below), whose sum is σ = 544791408. Its totient is φ = 505578240.

The previous prime is 525038321. The next prime is 525038429. The reversal of 525038399 is 993830525.

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 525038399 - 2¹² = 525034303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525038309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69557 + ... + 76734.

It is an arithmetic number, because the mean of its divisors is an integer number (68098926).

Almost surely, 2^525038399 is an apocalyptic number.

525038399 is a deficient number, since it is larger than the sum of its proper divisors (19753009).

525038399 is a wasteful number, since it uses less digits than its factorization.

525038399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146425.

The product of its (nonzero) digits is 291600, while the sum is 44.

The square root of 525038399 is about 22913.7163943346. The cubic root of 525038399 is about 806.7339904841.

The spelling of 525038399 in words is "five hundred twenty-five million, thirty-eight thousand, three hundred ninety-nine".