525438838 has 4 divisors (see below), whose sum is σ = 788158260. Its totient is φ = 262719418.

The previous prime is 525438829. The next prime is 525438853. The reversal of 525438838 is 838834525.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131359708 + ... + 131359711.

It is an arithmetic number, because the mean of its divisors is an integer number (197039565).

Almost surely, 2^525438838 is an apocalyptic number.

525438838 is a deficient number, since it is larger than the sum of its proper divisors (262719422).

525438838 is a wasteful number, since it uses less digits than its factorization.

525438838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262719421.

The product of its digits is 921600, while the sum is 46.

The square root of 525438838 is about 22922.4527047173. The cubic root of 525438838 is about 806.9390330485.

The spelling of 525438838 in words is "five hundred twenty-five million, four hundred thirty-eight thousand, eight hundred thirty-eight".