401875057 has 2 divisors, whose sum is σ = 401875058. Its totient is φ = 401875056.

The previous prime is 401875039. The next prime is 401875063. The reversal of 401875057 is 750578104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228584161 + 173290896 = 15119^2 + 13164^2 .

It is a cyclic number.

It is not a de Polignac number, because 401875057 - 2¹⁵ = 401842289 is a prime.

It is a super-2 number, since 2×401875057² = 323007122877506498, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (401875037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200937528 + 200937529.

It is an arithmetic number, because the mean of its divisors is an integer number (200937529).

Almost surely, 2^401875057 is an apocalyptic number.

It is an amenable number.

401875057 is a deficient number, since it is larger than the sum of its proper divisors (1).

401875057 is an equidigital number, since it uses as much as digits as its factorization.

401875057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 401875057 is about 20046.8216184013. The cubic root of 401875057 is about 737.9558002872.

The spelling of 401875057 in words is "four hundred one million, eight hundred seventy-five thousand, fifty-seven".