25134661 has 8 divisors (see below), whose sum is σ = 25898400. Its totient is φ = 24379152.

The previous prime is 25134617. The next prime is 25134673. The reversal of 25134661 is 16643152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25134661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25134611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4446 + ... + 8368.

It is an arithmetic number, because the mean of its divisors is an integer number (3237300).

Almost surely, 2^25134661 is an apocalyptic number.

It is an amenable number.

25134661 is a deficient number, since it is larger than the sum of its proper divisors (763739).

25134661 is a wasteful number, since it uses less digits than its factorization.

25134661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115.

The product of its digits is 4320, while the sum is 28.

The square root of 25134661 is about 5013.4480150890. The cubic root of 25134661 is about 292.9258355391.

The spelling of 25134661 in words is "twenty-five million, one hundred thirty-four thousand, six hundred sixty-one".