425933623 has 4 divisors (see below), whose sum is σ = 450988560. Its totient is φ = 400878688.

The previous prime is 425933617. The next prime is 425933639. The reversal of 425933623 is 326339524.

It is a happy number.

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 425933623 - 2¹⁷ = 425802551 is a prime.

It is a super-2 number, since 2×425933623² = 362838902403812258, 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 (425933653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12527443 + ... + 12527476.

It is an arithmetic number, because the mean of its divisors is an integer number (112747140).

Almost surely, 2^425933623 is an apocalyptic number.

425933623 is a deficient number, since it is larger than the sum of its proper divisors (25054937).

425933623 is a wasteful number, since it uses less digits than its factorization.

425933623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25054936.

The product of its digits is 116640, while the sum is 37.

The square root of 425933623 is about 20638.1593898293. The cubic root of 425933623 is about 752.3974381472.

The spelling of 425933623 in words is "four hundred twenty-five million, nine hundred thirty-three thousand, six hundred twenty-three".