425986929 has 6 divisors (see below), whose sum is σ = 615314466. Its totient is φ = 283991280.

The previous prime is 425986921. The next prime is 425986931. The reversal of 425986929 is 929689524.

It is a happy number.

425986929 is a `hidden beast` number, since 42 + 598 + 6 + 9 + 2 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 420455025 + 5531904 = 20505^2 + 2352^2 .

It is not a de Polignac number, because 425986929 - 2³ = 425986921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425986921) 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 5 ways as a sum of consecutive naturals, for example, 23665932 + ... + 23665949.

It is an arithmetic number, because the mean of its divisors is an integer number (102552411).

Almost surely, 2^425986929 is an apocalyptic number.

It is an amenable number.

425986929 is a deficient number, since it is larger than the sum of its proper divisors (189327537).

425986929 is a wasteful number, since it uses less digits than its factorization.

425986929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47331887 (or 47331884 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 425986929 is about 20639.4507921117. The cubic root of 425986929 is about 752.4288245908.

The spelling of 425986929 in words is "four hundred twenty-five million, nine hundred eighty-six thousand, nine hundred twenty-nine".