425624623 has 8 divisors (see below), whose sum is σ = 432704160. Its totient is φ = 418575360.

The previous prime is 425624603. The next prime is 425624629. The reversal of 425624623 is 326426524.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425624623 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 (425624629) 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, 21711 + ... + 36367.

It is an arithmetic number, because the mean of its divisors is an integer number (54088020).

Almost surely, 2^425624623 is an apocalyptic number.

425624623 is a deficient number, since it is larger than the sum of its proper divisors (7079537).

425624623 is a wasteful number, since it uses less digits than its factorization.

425624623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15137.

The product of its digits is 69120, while the sum is 34.

The square root of 425624623 is about 20630.6718988985. The cubic root of 425624623 is about 752.2154480907.

The spelling of 425624623 in words is "four hundred twenty-five million, six hundred twenty-four thousand, six hundred twenty-three".