634526 has 4 divisors (see below), whose sum is σ = 951792. Its totient is φ = 317262.

The previous prime is 634523. The next prime is 634531. The reversal of 634526 is 625436.

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

It is a junction number, because it is equal to n+sod(n) for n = 634495 and 634504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158630 + ... + 158633.

It is an arithmetic number, because the mean of its divisors is an integer number (237948).

2⁶³⁴⁵²⁶ is an apocalyptic number.

634526 is a deficient number, since it is larger than the sum of its proper divisors (317266).

634526 is a wasteful number, since it uses less digits than its factorization.

634526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317265.

The product of its digits is 4320, while the sum is 26.

The square root of 634526 is about 796.5714029514. The cubic root of 634526 is about 85.9309884433.

The spelling of 634526 in words is "six hundred thirty-four thousand, five hundred twenty-six".