525391941 has 4 divisors (see below), whose sum is σ = 700522592. Its totient is φ = 350261292.

The previous prime is 525391939. The next prime is 525391961. The reversal of 525391941 is 149193525.

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 not a de Polignac number, because 525391941 - 2¹ = 525391939 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 525391941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525391901) 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, 87565321 + ... + 87565326.

It is an arithmetic number, because the mean of its divisors is an integer number (175130648).

Almost surely, 2^525391941 is an apocalyptic number.

It is an amenable number.

525391941 is a deficient number, since it is larger than the sum of its proper divisors (175130651).

525391941 is a wasteful number, since it uses less digits than its factorization.

525391941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175130650.

The product of its digits is 48600, while the sum is 39.

The square root of 525391941 is about 22921.4297328941. The cubic root of 525391941 is about 806.9150250873.

The spelling of 525391941 in words is "five hundred twenty-five million, three hundred ninety-one thousand, nine hundred forty-one".