402461253 has 6 divisors (see below), whose sum is σ = 581332934. Its totient is φ = 268307496.

The previous prime is 402461231. The next prime is 402461263. The reversal of 402461253 is 352164204.

402461253 is a `hidden beast` number, since 40 + 2 + 4 + 612 + 5 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 209612484 + 192848769 = 14478^2 + 13887^2 .

It is not a de Polignac number, because 402461253 - 2⁹ = 402460741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402461263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22358950 + ... + 22358967.

Almost surely, 2^402461253 is an apocalyptic number.

It is an amenable number.

402461253 is a deficient number, since it is larger than the sum of its proper divisors (178871681).

402461253 is a wasteful number, since it uses less digits than its factorization.

402461253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44717923 (or 44717920 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 402461253 is about 20061.4369624910. The cubic root of 402461253 is about 738.3144329599.

The spelling of 402461253 in words is "four hundred two million, four hundred sixty-one thousand, two hundred fifty-three".