625288247 has 8 divisors (see below), whose sum is σ = 639354912. Its totient is φ = 611344800.

The previous prime is 625288231. The next prime is 625288277. The reversal of 625288247 is 742882526.

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 625288247 - 2⁴ = 625288231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 625288198 and 625288207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625288277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20504 + ... + 40877.

It is an arithmetic number, because the mean of its divisors is an integer number (79919364).

Almost surely, 2^625288247 is an apocalyptic number.

625288247 is a deficient number, since it is larger than the sum of its proper divisors (14066665).

625288247 is a wasteful number, since it uses less digits than its factorization.

625288247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61609.

The product of its digits is 430080, while the sum is 44.

The square root of 625288247 is about 25005.7642754626. The cubic root of 625288247 is about 855.1193919203.

The spelling of 625288247 in words is "six hundred twenty-five million, two hundred eighty-eight thousand, two hundred forty-seven".