406962251 has 2 divisors, whose sum is σ = 406962252. Its totient is φ = 406962250.

The previous prime is 406962247. The next prime is 406962301. The reversal of 406962251 is 152269604.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406962251 - 2² = 406962247 is a prime.

It is not a weakly prime, because it can be changed into another prime (406962551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203481125 + 203481126.

It is an arithmetic number, because the mean of its divisors is an integer number (203481126).

Almost surely, 2^406962251 is an apocalyptic number.

406962251 is a deficient number, since it is larger than the sum of its proper divisors (1).

406962251 is an equidigital number, since it uses as much as digits as its factorization.

406962251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 406962251 is about 20173.3054059071. The cubic root of 406962251 is about 741.0565932774.

The spelling of 406962251 in words is "four hundred six million, nine hundred sixty-two thousand, two hundred fifty-one".