402554113 has 24 divisors (see below), whose sum is σ = 451081400. Its totient is φ = 359199360.

The previous prime is 402554111. The next prime is 402554129. The reversal of 402554113 is 311455204.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 375274384 + 27279729 = 19372^2 + 5223^2 .

It is not a de Polignac number, because 402554113 - 2¹ = 402554111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402554111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3693103 + ... + 3693211.

Almost surely, 2^402554113 is an apocalyptic number.

It is an amenable number.

402554113 is a deficient number, since it is larger than the sum of its proper divisors (48527287).

402554113 is an equidigital number, since it uses as much as digits as its factorization.

402554113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 402554113 is about 20063.7512195501. The cubic root of 402554113 is about 738.3712124266.

The spelling of 402554113 in words is "four hundred two million, five hundred fifty-four thousand, one hundred thirteen".