25981052 has 6 divisors (see below), whose sum is σ = 45466848. Its totient is φ = 12990524.

The previous prime is 25981051. The next prime is 25981057. The reversal of 25981052 is 25018952.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25981051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3247628 + ... + 3247635.

It is an arithmetic number, because the mean of its divisors is an integer number (7577808).

Almost surely, 2^25981052 is an apocalyptic number.

It is an amenable number.

25981052 is a deficient number, since it is larger than the sum of its proper divisors (19485796).

25981052 is a wasteful number, since it uses less digits than its factorization.

25981052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6495267 (or 6495265 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 25981052 is about 5097.1611706910. The cubic root of 25981052 is about 296.1776234855.

The spelling of 25981052 in words is "twenty-five million, nine hundred eighty-one thousand, fifty-two".