25534 has 8 divisors (see below), whose sum is σ = 40608. Its totient is φ = 12000.

The previous prime is 25523. The next prime is 25537. The reversal of 25534 is 43552.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25537) 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, 342 + ... + 409.

It is an arithmetic number, because the mean of its divisors is an integer number (5076).

2²⁵⁵³⁴ is an apocalyptic number.

25534 is a deficient number, since it is larger than the sum of its proper divisors (15074).

25534 is a wasteful number, since it uses less digits than its factorization.

25534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770.

The product of its digits is 600, while the sum is 19.

The square root of 25534 is about 159.7936168938. The cubic root of 25534 is about 29.4469024753.

It can be divided in two parts, 255 and 34, that added together give a square (289 = 17²).

The spelling of 25534 in words is "twenty-five thousand, five hundred thirty-four".