634305413 has 4 divisors (see below), whose sum is σ = 724920480. Its totient is φ = 543690348.

The previous prime is 634305361. The next prime is 634305449. The reversal of 634305413 is 314503436.

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 a cyclic number.

It is not a de Polignac number, because 634305413 - 2⁸ = 634305157 is a prime.

It is a super-2 number, since 2×634305413² = 804686713922201138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634305713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45307523 + ... + 45307536.

It is an arithmetic number, because the mean of its divisors is an integer number (181230120).

Almost surely, 2^634305413 is an apocalyptic number.

It is an amenable number.

634305413 is a deficient number, since it is larger than the sum of its proper divisors (90615067).

634305413 is an equidigital number, since it uses as much as digits as its factorization.

634305413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90615066.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 634305413 is about 25185.4206436978. The cubic root of 634305413 is about 859.2102958899.

Adding to 634305413 its reverse (314503436), we get a palindrome (948808849).

The spelling of 634305413 in words is "six hundred thirty-four million, three hundred five thousand, four hundred thirteen".