625020551003 has 8 divisors (see below), whose sum is σ = 640401639696. Its totient is φ = 609645971200.

The previous prime is 625020550991. The next prime is 625020551009. The reversal of 625020551003 is 300155020526.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 625020551003 - 2²⁴ = 625003773787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625020551009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1432526 + ... + 1817187.

It is an arithmetic number, because the mean of its divisors is an integer number (80050204962).

Almost surely, 2^625020551003 is an apocalyptic number.

625020551003 is a deficient number, since it is larger than the sum of its proper divisors (15381088693).

625020551003 is a wasteful number, since it uses less digits than its factorization.

625020551003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3254445.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 625020551003 its reverse (300155020526), we get a palindrome (925175571529).

The spelling of 625020551003 in words is "six hundred twenty-five billion, twenty million, five hundred fifty-one thousand, three".