525477971 has 2 divisors, whose sum is σ = 525477972. Its totient is φ = 525477970.

The previous prime is 525477937. The next prime is 525477977. The reversal of 525477971 is 179774525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 525477971 - 2²² = 521283667 is a prime.

It is a super-2 number, since 2×525477971² = 552254196012553682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (525477977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262738985 + 262738986.

It is an arithmetic number, because the mean of its divisors is an integer number (262738986).

Almost surely, 2^525477971 is an apocalyptic number.

525477971 is a deficient number, since it is larger than the sum of its proper divisors (1).

525477971 is an equidigital number, since it uses as much as digits as its factorization.

525477971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 617400, while the sum is 47.

The square root of 525477971 is about 22923.3062842165. The cubic root of 525477971 is about 806.9590652952.

The spelling of 525477971 in words is "five hundred twenty-five million, four hundred seventy-seven thousand, nine hundred seventy-one".