25493528 has 8 divisors (see below), whose sum is σ = 47800380. Its totient is φ = 12746760.

The previous prime is 25493527. The next prime is 25493551. The reversal of 25493528 is 82539452.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 25493491 and 25493500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25493521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1593338 + ... + 1593353.

Almost surely, 2^25493528 is an apocalyptic number.

It is an amenable number.

25493528 is a deficient number, since it is larger than the sum of its proper divisors (22306852).

25493528 is a wasteful number, since it uses less digits than its factorization.

25493528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3186697 (or 3186693 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 25493528 is about 5049.1116050252. Note that the first 3 decimals coincide. The cubic root of 25493528 is about 294.3133623351.

The spelling of 25493528 in words is "twenty-five million, four hundred ninety-three thousand, five hundred twenty-eight".