425373439 has 8 divisors (see below), whose sum is σ = 453161520. Its totient is φ = 397892736.

The previous prime is 425373437. The next prime is 425373449. The reversal of 425373439 is 934373524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425373439 - 2¹ = 425373437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425373433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73984 + ... + 79525.

It is an arithmetic number, because the mean of its divisors is an integer number (56645190).

Almost surely, 2^425373439 is an apocalyptic number.

425373439 is a deficient number, since it is larger than the sum of its proper divisors (27788081).

425373439 is a wasteful number, since it uses less digits than its factorization.

425373439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153689.

The product of its digits is 272160, while the sum is 40.

The square root of 425373439 is about 20624.5833654889. The cubic root of 425373439 is about 752.0674446969.

The spelling of 425373439 in words is "four hundred twenty-five million, three hundred seventy-three thousand, four hundred thirty-nine".