402351041 has 2 divisors, whose sum is σ = 402351042. Its totient is φ = 402351040.

The previous prime is 402351007. The next prime is 402351073. The reversal of 402351041 is 140153204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 386319025 + 16032016 = 19655^2 + 4004^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402351041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (402350041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201175520 + 201175521.

It is an arithmetic number, because the mean of its divisors is an integer number (201175521).

Almost surely, 2^402351041 is an apocalyptic number.

It is an amenable number.

402351041 is a deficient number, since it is larger than the sum of its proper divisors (1).

402351041 is an equidigital number, since it uses as much as digits as its factorization.

402351041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 402351041 is about 20058.6899123547. The cubic root of 402351041 is about 738.2470322362.

The spelling of 402351041 in words is "four hundred two million, three hundred fifty-one thousand, forty-one".