25412 has 6 divisors (see below), whose sum is σ = 44478. Its totient is φ = 12704.

The previous prime is 25411. The next prime is 25423. The reversal of 25412 is 21452.

It can be written as a sum of positive squares in only one way, i.e., 21316 + 4096 = 146^2 + 64^2 .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (25411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3173 + ... + 3180.

It is an arithmetic number, because the mean of its divisors is an integer number (7413).

2²⁵⁴¹² is an apocalyptic number.

It is an amenable number.

25412 is a deficient number, since it is larger than the sum of its proper divisors (19066).

25412 is a wasteful number, since it uses less digits than its factorization.

25412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6357 (or 6355 counting only the distinct ones).

The product of its digits is 80, while the sum is 14.

The square root of 25412 is about 159.4114174079. The cubic root of 25412 is about 29.3999290417.

Adding to 25412 its reverse (21452), we get a palindrome (46864).

The spelling of 25412 in words is "twenty-five thousand, four hundred twelve".