630526 has 8 divisors (see below), whose sum is σ = 1018584. Its totient is φ = 291000.

The previous prime is 630523. The next prime is 630529. The reversal of 630526 is 625036.

It is an interprime number because it is at equal distance from previous prime (630523) and next prime (630529).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 630497 and 630506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630521) 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, 12100 + ... + 12151.

It is an arithmetic number, because the mean of its divisors is an integer number (127323).

2⁶³⁰⁵²⁶ is an apocalyptic number.

630526 is a deficient number, since it is larger than the sum of its proper divisors (388058).

630526 is a wasteful number, since it uses less digits than its factorization.

630526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24266.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 630526 is about 794.0566730404. The cubic root of 630526 is about 85.7500403743.

It can be divided in two parts, 630 and 526, that added together give a square (1156 = 34²).

The spelling of 630526 in words is "six hundred thirty thousand, five hundred twenty-six".