625249787 has 2 divisors, whose sum is σ = 625249788. Its totient is φ = 625249786.

The previous prime is 625249763. The next prime is 625249811. The reversal of 625249787 is 787942526.

It is a balanced prime because it is at equal distance from previous prime (625249763) and next prime (625249811).

It is a cyclic number.

It is not a de Polignac number, because 625249787 - 2²² = 621055483 is a prime.

It is a super-3 number, since 3×625249787³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (625249747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312624893 + 312624894.

It is an arithmetic number, because the mean of its divisors is an integer number (312624894).

Almost surely, 2^625249787 is an apocalyptic number.

625249787 is a deficient number, since it is larger than the sum of its proper divisors (1).

625249787 is an equidigital number, since it uses as much as digits as its factorization.

625249787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 50.

The square root of 625249787 is about 25004.9952409514. The cubic root of 625249787 is about 855.1018594376.

The spelling of 625249787 in words is "six hundred twenty-five million, two hundred forty-nine thousand, seven hundred eighty-seven".