624473131 has 2 divisors, whose sum is σ = 624473132. Its totient is φ = 624473130.

The previous prime is 624473123. The next prime is 624473137. The reversal of 624473131 is 131374426.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 624473131 - 2³ = 624473123 is a prime.

It is a super-2 number, since 2×624473131² = 779933382681886322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 624473093 and 624473102.

It is not a weakly prime, because it can be changed into another prime (624473137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312236565 + 312236566.

It is an arithmetic number, because the mean of its divisors is an integer number (312236566).

Almost surely, 2^624473131 is an apocalyptic number.

624473131 is a deficient number, since it is larger than the sum of its proper divisors (1).

624473131 is an equidigital number, since it uses as much as digits as its factorization.

624473131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 31.

The square root of 624473131 is about 24989.4603983359. The cubic root of 624473131 is about 854.7476569130.

The spelling of 624473131 in words is "six hundred twenty-four million, four hundred seventy-three thousand, one hundred thirty-one".