425702587 has 2 divisors, whose sum is σ = 425702588. Its totient is φ = 425702586.

The previous prime is 425702573. The next prime is 425702597. The reversal of 425702587 is 785207524.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425702587 is a prime.

It is not a weakly prime, because it can be changed into another prime (425702507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212851293 + 212851294.

It is an arithmetic number, because the mean of its divisors is an integer number (212851294).

Almost surely, 2^425702587 is an apocalyptic number.

425702587 is a deficient number, since it is larger than the sum of its proper divisors (1).

425702587 is an equidigital number, since it uses as much as digits as its factorization.

425702587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 425702587 is about 20632.5613291225. The cubic root of 425702587 is about 752.2613744317.

The spelling of 425702587 in words is "four hundred twenty-five million, seven hundred two thousand, five hundred eighty-seven".