625387047 has 8 divisors (see below), whose sum is σ = 837310320. Its totient is φ = 415194240.

The previous prime is 625387027. The next prime is 625387127. The reversal of 625387047 is 740783526.

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

It is not a de Polignac number, because 625387047 - 2⁸ = 625386791 is a prime.

It is a super-2 number, since 2×625387047² = 782217917110760418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625387027) 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, 431772 + ... + 433217.

It is an arithmetic number, because the mean of its divisors is an integer number (104663790).

Almost surely, 2^625387047 is an apocalyptic number.

625387047 is a deficient number, since it is larger than the sum of its proper divisors (211923273).

625387047 is a wasteful number, since it uses less digits than its factorization.

625387047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865233.

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 625387047 is about 25007.7397419279. The cubic root of 625387047 is about 855.1644278681.

The spelling of 625387047 in words is "six hundred twenty-five million, three hundred eighty-seven thousand, forty-seven".