425684937 has 4 divisors (see below), whose sum is σ = 567579920. Its totient is φ = 283789956.

The previous prime is 425684927. The next prime is 425684951. The reversal of 425684937 is 739486524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 425684937 - 2¹⁸ = 425422793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425684927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70947487 + ... + 70947492.

It is an arithmetic number, because the mean of its divisors is an integer number (141894980).

Almost surely, 2^425684937 is an apocalyptic number.

It is an amenable number.

425684937 is a deficient number, since it is larger than the sum of its proper divisors (141894983).

425684937 is a wasteful number, since it uses less digits than its factorization.

425684937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141894982.

The product of its digits is 1451520, while the sum is 48.

The square root of 425684937 is about 20632.1336027082. The cubic root of 425684937 is about 752.2509778175.

The spelling of 425684937 in words is "four hundred twenty-five million, six hundred eighty-four thousand, nine hundred thirty-seven".