477131513 has 2 divisors, whose sum is σ = 477131514. Its totient is φ = 477131512.

The previous prime is 477131471. The next prime is 477131531. The reversal of 477131513 is 315131774.

Together with next prime (477131531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 399480169 + 77651344 = 19987^2 + 8812^2 .

It is a cyclic number.

It is not a de Polignac number, because 477131513 - 2⁶ = 477131449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 477131513.

It is not a weakly prime, because it can be changed into another prime (477131563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238565756 + 238565757.

It is an arithmetic number, because the mean of its divisors is an integer number (238565757).

Almost surely, 2^477131513 is an apocalyptic number.

It is an amenable number.

477131513 is a deficient number, since it is larger than the sum of its proper divisors (1).

477131513 is an equidigital number, since it uses as much as digits as its factorization.

477131513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8820, while the sum is 32.

The square root of 477131513 is about 21843.3402436532. The cubic root of 477131513 is about 781.4107238990.

The spelling of 477131513 in words is "four hundred seventy-seven million, one hundred thirty-one thousand, five hundred thirteen".