425602943 has 4 divisors (see below), whose sum is σ = 428214168. Its totient is φ = 422991720.

The previous prime is 425602913. The next prime is 425602993. The reversal of 425602943 is 349206524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 425602943 - 2⁸ = 425602687 is a prime.

It is a super-2 number, since 2×425602943² = 362275730180522498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425602913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1305368 + ... + 1305693.

It is an arithmetic number, because the mean of its divisors is an integer number (107053542).

Almost surely, 2^425602943 is an apocalyptic number.

425602943 is a deficient number, since it is larger than the sum of its proper divisors (2611225).

425602943 is a wasteful number, since it uses less digits than its factorization.

425602943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611224.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 425602943 is about 20630.1464609440. The cubic root of 425602943 is about 752.2026760322.

The spelling of 425602943 in words is "four hundred twenty-five million, six hundred two thousand, nine hundred forty-three".