401313041251 has 2 divisors, whose sum is σ = 401313041252. Its totient is φ = 401313041250.

The previous prime is 401313041243. The next prime is 401313041267. The reversal of 401313041251 is 152140313104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401313041251 - 2³ = 401313041243 is a prime.

It is a super-2 number, since 2×401313041251² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401313041221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200656520625 + 200656520626.

It is an arithmetic number, because the mean of its divisors is an integer number (200656520626).

Almost surely, 2^401313041251 is an apocalyptic number.

401313041251 is a deficient number, since it is larger than the sum of its proper divisors (1).

401313041251 is an equidigital number, since it uses as much as digits as its factorization.

401313041251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 401313041251 its reverse (152140313104), we get a palindrome (553453354355).

The spelling of 401313041251 in words is "four hundred one billion, three hundred thirteen million, forty-one thousand, two hundred fifty-one".