425920851 has 12 divisors (see below), whose sum is σ = 615909112. Its totient is φ = 283628736.

The previous prime is 425920819. The next prime is 425920871. The reversal of 425920851 is 158029524.

It is not a de Polignac number, because 425920851 - 2⁵ = 425920819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425920871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17926 + ... + 34251.

Almost surely, 2^425920851 is an apocalyptic number.

425920851 is a deficient number, since it is larger than the sum of its proper divisors (189988261).

425920851 is a wasteful number, since it uses less digits than its factorization.

425920851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53090 (or 53087 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 425920851 is about 20637.8499606912. The cubic root of 425920851 is about 752.3899176357.

The spelling of 425920851 in words is "four hundred twenty-five million, nine hundred twenty thousand, eight hundred fifty-one".