425990913 has 12 divisors (see below), whose sum is σ = 603365520. Its totient is φ = 267287872.

The previous prime is 425990911. The next prime is 425990927. The reversal of 425990913 is 319099524.

It is not a de Polignac number, because 425990913 - 2¹ = 425990911 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (425990911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244803 + ... + 246536.

It is an arithmetic number, because the mean of its divisors is an integer number (50280460).

Almost surely, 2^425990913 is an apocalyptic number.

It is an amenable number.

425990913 is a deficient number, since it is larger than the sum of its proper divisors (177374607).

425990913 is a wasteful number, since it uses less digits than its factorization.

425990913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491376 (or 491359 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 425990913 is about 20639.5473060821. The cubic root of 425990913 is about 752.4311702551.

The spelling of 425990913 in words is "four hundred twenty-five million, nine hundred ninety thousand, nine hundred thirteen".