25044534 has 12 divisors (see below), whose sum is σ = 54263196. Its totient is φ = 8348172.

The previous prime is 25044457. The next prime is 25044577. The reversal of 25044534 is 43544052.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25044498 and 25044507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 695664 + ... + 695699.

It is an arithmetic number, because the mean of its divisors is an integer number (4521933).

Almost surely, 2^25044534 is an apocalyptic number.

25044534 is an abundant number, since it is smaller than the sum of its proper divisors (29218662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25044534 is a wasteful number, since it uses less digits than its factorization.

25044534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391371 (or 1391368 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 25044534 is about 5004.4514184873. The cubic root of 25044534 is about 292.5752951020.

Adding to 25044534 its reverse (43544052), we get a palindrome (68588586).

The spelling of 25044534 in words is "twenty-five million, forty-four thousand, five hundred thirty-four".