425532551 has 2 divisors, whose sum is σ = 425532552. Its totient is φ = 425532550.

The previous prime is 425532521. The next prime is 425532557. The reversal of 425532551 is 155235524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425532551 - 2⁶ = 425532487 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425532557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212766275 + 212766276.

It is an arithmetic number, because the mean of its divisors is an integer number (212766276).

Almost surely, 2^425532551 is an apocalyptic number.

425532551 is a deficient number, since it is larger than the sum of its proper divisors (1).

425532551 is an equidigital number, since it uses as much as digits as its factorization.

425532551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30000, while the sum is 32.

The square root of 425532551 is about 20628.4403433706. The cubic root of 425532551 is about 752.1612039112.

The spelling of 425532551 in words is "four hundred twenty-five million, five hundred thirty-two thousand, five hundred fifty-one".