525038401 has 4 divisors (see below), whose sum is σ = 525267904. Its totient is φ = 524808900.

The previous prime is 525038321. The next prime is 525038429. The reversal of 525038401 is 104830525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 525038401 - 2¹⁷ = 524907329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 525038401.

It is not an unprimeable number, because it can be changed into a prime (525038431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111285 + ... + 115906.

It is an arithmetic number, because the mean of its divisors is an integer number (131316976).

Almost surely, 2^525038401 is an apocalyptic number.

It is an amenable number.

525038401 is a deficient number, since it is larger than the sum of its proper divisors (229503).

525038401 is a wasteful number, since it uses less digits than its factorization.

525038401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229502.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 525038401 is about 22913.7164379766. The cubic root of 525038401 is about 806.7339915084.

Adding to 525038401 its reverse (104830525), we get a palindrome (629868926).

The spelling of 525038401 in words is "five hundred twenty-five million, thirty-eight thousand, four hundred one".