525338913 has 32 divisors (see below), whose sum is σ = 830977920. Its totient is φ = 291548160.

The previous prime is 525338909. The next prime is 525338917. The reversal of 525338913 is 319833525.

It is an interprime number because it is at equal distance from previous prime (525338909) and next prime (525338917).

It is not a de Polignac number, because 525338913 - 2² = 525338909 is a prime.

It is a super-4 number, since 4×525338913⁴ (a number of 36 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (525338917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8103 + ... + 33411.

It is an arithmetic number, because the mean of its divisors is an integer number (25968060).

Almost surely, 2^525338913 is an apocalyptic number.

It is an amenable number.

525338913 is a deficient number, since it is larger than the sum of its proper divisors (305639007).

525338913 is a wasteful number, since it uses less digits than its factorization.

525338913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25377.

The product of its digits is 97200, while the sum is 39.

The square root of 525338913 is about 22920.2729695787. The cubic root of 525338913 is about 806.8878767648.

The spelling of 525338913 in words is "five hundred twenty-five million, three hundred thirty-eight thousand, nine hundred thirteen".