476040997 has 2 divisors, whose sum is σ = 476040998. Its totient is φ = 476040996.

The previous prime is 476040979. The next prime is 476041043. The reversal of 476040997 is 799040674.

Together with previous prime (476040979) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (476041043) can be obtained adding 476040997 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 406385281 + 69655716 = 20159^2 + 8346^2 .

It is a cyclic number.

It is not a de Polignac number, because 476040997 - 2¹¹ = 476038949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (476040907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238020498 + 238020499.

It is an arithmetic number, because the mean of its divisors is an integer number (238020499).

Almost surely, 2^476040997 is an apocalyptic number.

It is an amenable number.

476040997 is a deficient number, since it is larger than the sum of its proper divisors (1).

476040997 is an equidigital number, since it uses as much as digits as its factorization.

476040997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 476040997 is about 21818.3637562490. The cubic root of 476040997 is about 780.8149476069.

The spelling of 476040997 in words is "four hundred seventy-six million, forty thousand, nine hundred ninety-seven".