634151 has 12 divisors (see below), whose sum is σ = 778032. Its totient is φ = 504576.

The previous prime is 634141. The next prime is 634157. The reversal of 634151 is 151436.

It is not a de Polignac number, because 634151 - 2¹⁴ = 617767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8651 + ... + 8723.

It is an arithmetic number, because the mean of its divisors is an integer number (64836).

2⁶³⁴¹⁵¹ is an apocalyptic number.

634151 is a deficient number, since it is larger than the sum of its proper divisors (143881).

634151 is an equidigital number, since it uses as much as digits as its factorization.

634151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 97 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 634151 is about 796.3359843684. The cubic root of 634151 is about 85.9140569223.

Adding to 634151 its reverse (151436), we get a palindrome (785587).

The spelling of 634151 in words is "six hundred thirty-four thousand, one hundred fifty-one".