625678463 has 2 divisors, whose sum is σ = 625678464. Its totient is φ = 625678462.

The previous prime is 625678411. The next prime is 625678477. The reversal of 625678463 is 364876526.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 625678463 - 2¹⁰ = 625677439 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625678063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312839231 + 312839232.

It is an arithmetic number, because the mean of its divisors is an integer number (312839232).

Almost surely, 2^625678463 is an apocalyptic number.

625678463 is a deficient number, since it is larger than the sum of its proper divisors (1).

625678463 is an equidigital number, since it uses as much as digits as its factorization.

625678463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 47.

The square root of 625678463 is about 25013.5655795011. The cubic root of 625678463 is about 855.2972362357.

The spelling of 625678463 in words is "six hundred twenty-five million, six hundred seventy-eight thousand, four hundred sixty-three".