625417630 has 8 divisors (see below), whose sum is σ = 1125751752. Its totient is φ = 250167048.

The previous prime is 625417621. The next prime is 625417643. The reversal of 625417630 is 36714526.

It is a happy number.

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

It is a super-2 number, since 2×625417630² = 782294423829633800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31270872 + ... + 31270891.

It is an arithmetic number, because the mean of its divisors is an integer number (140718969).

Almost surely, 2^625417630 is an apocalyptic number.

625417630 is a deficient number, since it is larger than the sum of its proper divisors (500334122).

625417630 is a wasteful number, since it uses less digits than its factorization.

625417630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62541770.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 625417630 is about 25008.3512051475. The cubic root of 625417630 is about 855.1783675382.

The spelling of 625417630 in words is "six hundred twenty-five million, four hundred seventeen thousand, six hundred thirty".