25013061 has 6 divisors (see below), whose sum is σ = 36129990. Its totient is φ = 16675368.

The previous prime is 25013041. The next prime is 25013081. The reversal of 25013061 is 16031052.

It is an interprime number because it is at equal distance from previous prime (25013041) and next prime (25013081).

It can be written as a sum of positive squares in only one way, i.e., 22982436 + 2030625 = 4794^2 + 1425^2 .

It is not a de Polignac number, because 25013061 - 2⁶ = 25012997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25013011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1389606 + ... + 1389623.

It is an arithmetic number, because the mean of its divisors is an integer number (6021665).

Almost surely, 2^25013061 is an apocalyptic number.

It is an amenable number.

25013061 is a deficient number, since it is larger than the sum of its proper divisors (11116929).

25013061 is a wasteful number, since it uses less digits than its factorization.

25013061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779235 (or 2779232 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 25013061 is about 5001.3059294548. The cubic root of 25013061 is about 292.4526857504.

Subtracting from 25013061 its reverse (16031052), we obtain a square (8982009 = 2997²).

The spelling of 25013061 in words is "twenty-five million, thirteen thousand, sixty-one".