425920929 has 16 divisors (see below), whose sum is σ = 683182080. Its totient is φ = 230573520.

The previous prime is 425920927. The next prime is 425920961. The reversal of 425920929 is 929029524.

It is not a de Polignac number, because 425920929 - 2¹ = 425920927 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425920921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 533337 + ... + 534134.

It is an arithmetic number, because the mean of its divisors is an integer number (42698880).

Almost surely, 2^425920929 is an apocalyptic number.

It is an amenable number.

425920929 is a deficient number, since it is larger than the sum of its proper divisors (257261151).

425920929 is a wasteful number, since it uses less digits than its factorization.

425920929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067500.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 425920929 is about 20637.8518504228. The cubic root of 425920929 is about 752.3899635648.

The spelling of 425920929 in words is "four hundred twenty-five million, nine hundred twenty thousand, nine hundred twenty-nine".