425255651 has 2 divisors, whose sum is σ = 425255652. Its totient is φ = 425255650.

The previous prime is 425255609. The next prime is 425255653. The reversal of 425255651 is 156552524.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425255651 is a prime.

It is a Sophie Germain prime.

Together with 425255653, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (425255653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212627825 + 212627826.

It is an arithmetic number, because the mean of its divisors is an integer number (212627826).

Almost surely, 2^425255651 is an apocalyptic number.

425255651 is a deficient number, since it is larger than the sum of its proper divisors (1).

425255651 is an equidigital number, since it uses as much as digits as its factorization.

425255651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60000, while the sum is 35.

The square root of 425255651 is about 20621.7276434347. The cubic root of 425255651 is about 751.9980212289.

The spelling of 425255651 in words is "four hundred twenty-five million, two hundred fifty-five thousand, six hundred fifty-one".