425392687 has 2 divisors, whose sum is σ = 425392688. Its totient is φ = 425392686.

The previous prime is 425392661. The next prime is 425392697. The reversal of 425392687 is 786293524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425392687 - 2⁷ = 425392559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425392697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212696343 + 212696344.

It is an arithmetic number, because the mean of its divisors is an integer number (212696344).

Almost surely, 2^425392687 is an apocalyptic number.

425392687 is a deficient number, since it is larger than the sum of its proper divisors (1).

425392687 is an equidigital number, since it uses as much as digits as its factorization.

425392687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 46.

The square root of 425392687 is about 20625.0499878182. The cubic root of 425392687 is about 752.0787881225.

The spelling of 425392687 in words is "four hundred twenty-five million, three hundred ninety-two thousand, six hundred eighty-seven".