625248287 has 8 divisors (see below), whose sum is σ = 662419296. Its totient is φ = 588120832.

The previous prime is 625248263. The next prime is 625248293. The reversal of 625248287 is 782842526.

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 625248287 - 2¹⁴ = 625231903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625248587) 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, 21443 + ... + 41355.

It is an arithmetic number, because the mean of its divisors is an integer number (82802412).

Almost surely, 2^625248287 is an apocalyptic number.

625248287 is a deficient number, since it is larger than the sum of its proper divisors (37171009).

625248287 is a wasteful number, since it uses less digits than its factorization.

625248287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21777.

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

The square root of 625248287 is about 25004.9652469265. The cubic root of 625248287 is about 855.1011756289.

The spelling of 625248287 in words is "six hundred twenty-five million, two hundred forty-eight thousand, two hundred eighty-seven".