425237587 has 2 divisors, whose sum is σ = 425237588. Its totient is φ = 425237586.

The previous prime is 425237569. The next prime is 425237641. The reversal of 425237587 is 785732524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425237587 - 2⁷ = 425237459 is a prime.

It is not a weakly prime, because it can be changed into another prime (425237387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212618793 + 212618794.

It is an arithmetic number, because the mean of its divisors is an integer number (212618794).

Almost surely, 2^425237587 is an apocalyptic number.

425237587 is a deficient number, since it is larger than the sum of its proper divisors (1).

425237587 is an equidigital number, since it uses as much as digits as its factorization.

425237587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 470400, while the sum is 43.

The square root of 425237587 is about 20621.2896541414. The cubic root of 425237587 is about 751.9873732932.

The spelling of 425237587 in words is "four hundred twenty-five million, two hundred thirty-seven thousand, five hundred eighty-seven".