404252351 has 2 divisors, whose sum is σ = 404252352. Its totient is φ = 404252350.

The previous prime is 404252323. The next prime is 404252357. The reversal of 404252351 is 153252404.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404252351 - 2²² = 400058047 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404252351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404252357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202126175 + 202126176.

It is an arithmetic number, because the mean of its divisors is an integer number (202126176).

Almost surely, 2^404252351 is an apocalyptic number.

404252351 is a deficient number, since it is larger than the sum of its proper divisors (1).

404252351 is an equidigital number, since it uses as much as digits as its factorization.

404252351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 404252351 is about 20106.0277280223. The cubic root of 404252351 is about 739.4080675401.

The spelling of 404252351 in words is "four hundred four million, two hundred fifty-two thousand, three hundred fifty-one".