634752011 has 2 divisors, whose sum is σ = 634752012. Its totient is φ = 634752010.

The previous prime is 634751993. The next prime is 634752043. The reversal of 634752011 is 110257436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 634752011 - 2⁶ = 634751947 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (634752071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317376005 + 317376006.

It is an arithmetic number, because the mean of its divisors is an integer number (317376006).

Almost surely, 2^634752011 is an apocalyptic number.

634752011 is a deficient number, since it is larger than the sum of its proper divisors (1).

634752011 is an equidigital number, since it uses as much as digits as its factorization.

634752011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 634752011 is about 25194.2852845640. The cubic root of 634752011 is about 859.4118978159.

The spelling of 634752011 in words is "six hundred thirty-four million, seven hundred fifty-two thousand, eleven".