400562053 has 2 divisors, whose sum is σ = 400562054. Its totient is φ = 400562052.

The previous prime is 400562027. The next prime is 400562069. The reversal of 400562053 is 350265004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 398122209 + 2439844 = 19953^2 + 1562^2 .

It is a cyclic number.

It is not a de Polignac number, because 400562053 - 2²⁵ = 367007621 is a prime.

It is equal to p_21364621 and since 400562053 and 21364621 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400569053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200281026 + 200281027.

It is an arithmetic number, because the mean of its divisors is an integer number (200281027).

Almost surely, 2^400562053 is an apocalyptic number.

It is an amenable number.

400562053 is a deficient number, since it is larger than the sum of its proper divisors (1).

400562053 is an equidigital number, since it uses as much as digits as its factorization.

400562053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 400562053 is about 20014.0463924715. The cubic root of 400562053 is about 737.1512417081.

The spelling of 400562053 in words is "four hundred million, five hundred sixty-two thousand, fifty-three".