425217087 has 8 divisors (see below), whose sum is σ = 629951280. Its totient is φ = 283478040.

The previous prime is 425217059. The next prime is 425217097. The reversal of 425217087 is 780712524.

It is a de Polignac number, because none of the positive numbers 2^k-425217087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425217007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7874364 + ... + 7874417.

It is an arithmetic number, because the mean of its divisors is an integer number (78743910).

Almost surely, 2^425217087 is an apocalyptic number.

425217087 is a deficient number, since it is larger than the sum of its proper divisors (204734193).

425217087 is a wasteful number, since it uses less digits than its factorization.

425217087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15748790 (or 15748784 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 425217087 is about 20620.7925890350. The cubic root of 425217087 is about 751.9752890769.

The spelling of 425217087 in words is "four hundred twenty-five million, two hundred seventeen thousand, eighty-seven".