634681041 has 4 divisors (see below), whose sum is σ = 846241392. Its totient is φ = 423120692.

The previous prime is 634681031. The next prime is 634681051. The reversal of 634681041 is 140186436.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (634681031) and next prime (634681051).

It is a cyclic number.

It is not a de Polignac number, because 634681041 - 2⁷ = 634680913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 634680993 and 634681011.

It is not an unprimeable number, because it can be changed into a prime (634681031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105780171 + ... + 105780176.

It is an arithmetic number, because the mean of its divisors is an integer number (211560348).

Almost surely, 2^634681041 is an apocalyptic number.

It is an amenable number.

634681041 is a deficient number, since it is larger than the sum of its proper divisors (211560351).

634681041 is a wasteful number, since it uses less digits than its factorization.

634681041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211560350.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 634681041 is about 25192.8767908709. The cubic root of 634681041 is about 859.3798670728.

The spelling of 634681041 in words is "six hundred thirty-four million, six hundred eighty-one thousand, forty-one".