625413827 has 2 divisors, whose sum is σ = 625413828. Its totient is φ = 625413826.

The previous prime is 625413821. The next prime is 625413839. The reversal of 625413827 is 728314526.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-625413827 is a prime.

It is a super-2 number, since 2×625413827² = 782284910005571858, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (625413821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312706913 + 312706914.

It is an arithmetic number, because the mean of its divisors is an integer number (312706914).

Almost surely, 2^625413827 is an apocalyptic number.

625413827 is a deficient number, since it is larger than the sum of its proper divisors (1).

625413827 is an equidigital number, since it uses as much as digits as its factorization.

625413827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 38.

The square root of 625413827 is about 25008.2751704311. The cubic root of 625413827 is about 855.1766341632.

The spelling of 625413827 in words is "six hundred twenty-five million, four hundred thirteen thousand, eight hundred twenty-seven".