625442635 has 8 divisors (see below), whose sum is σ = 770816016. Its totient is φ = 486830880.

The previous prime is 625442617. The next prime is 625442651. The reversal of 625442635 is 536244526.

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

It is not a de Polignac number, because 625442635 - 2¹⁵ = 625409867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 625442594 and 625442603.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1690201 + ... + 1690570.

It is an arithmetic number, because the mean of its divisors is an integer number (96352002).

Almost surely, 2^625442635 is an apocalyptic number.

625442635 is a deficient number, since it is larger than the sum of its proper divisors (145373381).

625442635 is a wasteful number, since it uses less digits than its factorization.

625442635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380813.

The product of its digits is 172800, while the sum is 37.

The square root of 625442635 is about 25008.8511331488. The cubic root of 625442635 is about 855.1897644295.

The spelling of 625442635 in words is "six hundred twenty-five million, four hundred forty-two thousand, six hundred thirty-five".