524923913 has 2 divisors, whose sum is σ = 524923914. Its totient is φ = 524923912.

The previous prime is 524923879. The next prime is 524923969. The reversal of 524923913 is 319329425.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321233929 + 203689984 = 17923^2 + 14272^2 .

It is a cyclic number.

It is not a de Polignac number, because 524923913 - 2⁸ = 524923657 is a prime.

It is a super-2 number, since 2×524923913² = 551090228878463138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (524923313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262461956 + 262461957.

It is an arithmetic number, because the mean of its divisors is an integer number (262461957).

Almost surely, 2^524923913 is an apocalyptic number.

It is an amenable number.

524923913 is a deficient number, since it is larger than the sum of its proper divisors (1).

524923913 is an equidigital number, since it uses as much as digits as its factorization.

524923913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 38.

The square root of 524923913 is about 22911.2180601556. The cubic root of 524923913 is about 806.6753494007.

The spelling of 524923913 in words is "five hundred twenty-four million, nine hundred twenty-three thousand, nine hundred thirteen".