531634 has 8 divisors (see below), whose sum is σ = 801648. Its totient is φ = 264420.

The previous prime is 531631. The next prime is 531637. The reversal of 531634 is 436135.

It is an interprime number because it is at equal distance from previous prime (531631) and next prime (531637).

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

It is a d-powerful number, because it can be written as 5³ + 3³ + 6² + 1 + 3¹² + 4 .

It is not an unprimeable number, because it can be changed into a prime (531631) 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, 132 + ... + 1039.

It is an arithmetic number, because the mean of its divisors is an integer number (100206).

2⁵³¹⁶³⁴ is an apocalyptic number.

531634 is a deficient number, since it is larger than the sum of its proper divisors (270014).

531634 is a wasteful number, since it uses less digits than its factorization.

531634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400.

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

The square root of 531634 is about 729.1323610978. The cubic root of 531634 is about 81.0098042291.

Adding to 531634 its reverse (436135), we get a palindrome (967769).

The spelling of 531634 in words is "five hundred thirty-one thousand, six hundred thirty-four".