425694223 has 4 divisors (see below), whose sum is σ = 428306008. Its totient is φ = 423082440.

The previous prime is 425694211. The next prime is 425694239. The reversal of 425694223 is 322496524.

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 425694223 - 2²⁵ = 392139791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425694253) 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, 1305648 + ... + 1305973.

It is an arithmetic number, because the mean of its divisors is an integer number (107076502).

Almost surely, 2^425694223 is an apocalyptic number.

425694223 is a deficient number, since it is larger than the sum of its proper divisors (2611785).

425694223 is a wasteful number, since it uses less digits than its factorization.

425694223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611784.

The product of its digits is 103680, while the sum is 37.

The square root of 425694223 is about 20632.3586387984. The cubic root of 425694223 is about 752.2564477094.

The spelling of 425694223 in words is "four hundred twenty-five million, six hundred ninety-four thousand, two hundred twenty-three".