400265053 has 2 divisors, whose sum is σ = 400265054. Its totient is φ = 400265052.

The previous prime is 400265009. The next prime is 400265069. The reversal of 400265053 is 350562004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241429444 + 158835609 = 15538^2 + 12603^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400265053 is a prime.

It is a super-2 number, since 2×400265053² = 320424225306185618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400265003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200132526 + 200132527.

It is an arithmetic number, because the mean of its divisors is an integer number (200132527).

Almost surely, 2^400265053 is an apocalyptic number.

It is an amenable number.

400265053 is a deficient number, since it is larger than the sum of its proper divisors (1).

400265053 is an equidigital number, since it uses as much as digits as its factorization.

400265053 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 400265053 is about 20006.6252276590. The cubic root of 400265053 is about 736.9690077283.

The spelling of 400265053 in words is "four hundred million, two hundred sixty-five thousand, fifty-three".