634502441 has 4 divisors (see below), whose sum is σ = 671826132. Its totient is φ = 597178752.

The previous prime is 634502431. The next prime is 634502443. The reversal of 634502441 is 144205436.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 588547600 + 45954841 = 24260^2 + 6779^2 .

It is a cyclic number.

It is not a de Polignac number, because 634502441 - 2⁶ = 634502377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634502443) 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, 18661820 + ... + 18661853.

It is an arithmetic number, because the mean of its divisors is an integer number (167956533).

Almost surely, 2^634502441 is an apocalyptic number.

It is an amenable number.

634502441 is a deficient number, since it is larger than the sum of its proper divisors (37323691).

634502441 is a wasteful number, since it uses less digits than its factorization.

634502441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37323690.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 634502441 is about 25189.3318887183. The cubic root of 634502441 is about 859.2992493380.

Adding to 634502441 its reverse (144205436), we get a palindrome (778707877).

The spelling of 634502441 in words is "six hundred thirty-four million, five hundred two thousand, four hundred forty-one".