401135051 has 2 divisors, whose sum is σ = 401135052. Its totient is φ = 401135050.

The previous prime is 401135039. The next prime is 401135069. The reversal of 401135051 is 150531104.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401135051 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (401135351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200567525 + 200567526.

It is an arithmetic number, because the mean of its divisors is an integer number (200567526).

Almost surely, 2^401135051 is an apocalyptic number.

401135051 is a deficient number, since it is larger than the sum of its proper divisors (1).

401135051 is an equidigital number, since it uses as much as digits as its factorization.

401135051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 401135051 is about 20028.3561731861. The cubic root of 401135051 is about 737.5025688314.

Adding to 401135051 its reverse (150531104), we get a palindrome (551666155).

The spelling of 401135051 in words is "four hundred one million, one hundred thirty-five thousand, fifty-one".