425303591 has 2 divisors, whose sum is σ = 425303592. Its totient is φ = 425303590.

The previous prime is 425303587. The next prime is 425303617. The reversal of 425303591 is 195303524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425303591 - 2² = 425303587 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425303491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212651795 + 212651796.

It is an arithmetic number, because the mean of its divisors is an integer number (212651796).

Almost surely, 2^425303591 is an apocalyptic number.

425303591 is a deficient number, since it is larger than the sum of its proper divisors (1).

425303591 is an equidigital number, since it uses as much as digits as its factorization.

425303591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 425303591 is about 20622.8899769164. The cubic root of 425303591 is about 752.0262782946.

The spelling of 425303591 in words is "four hundred twenty-five million, three hundred three thousand, five hundred ninety-one".