634245127 has 2 divisors, whose sum is σ = 634245128. Its totient is φ = 634245126.

The previous prime is 634245091. The next prime is 634245133. The reversal of 634245127 is 721542436.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 634245127 - 2²⁷ = 500027399 is a prime.

It is a super-2 number, since 2×634245127² = 804533762246492258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 634245092 and 634245101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (634240127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317122563 + 317122564.

It is an arithmetic number, because the mean of its divisors is an integer number (317122564).

Almost surely, 2^634245127 is an apocalyptic number.

634245127 is a deficient number, since it is larger than the sum of its proper divisors (1).

634245127 is an equidigital number, since it uses as much as digits as its factorization.

634245127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 34.

The square root of 634245127 is about 25184.2237720363. The cubic root of 634245127 is about 859.1830745167.

The spelling of 634245127 in words is "six hundred thirty-four million, two hundred forty-five thousand, one hundred twenty-seven".