25152961 has 8 divisors (see below), whose sum is σ = 26357184. Its totient is φ = 23958000.

The previous prime is 25152937. The next prime is 25152971. The reversal of 25152961 is 16925152.

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-25152961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25152931) 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, 3595 + ... + 7951.

It is an arithmetic number, because the mean of its divisors is an integer number (3294648).

Almost surely, 2^25152961 is an apocalyptic number.

It is an amenable number.

25152961 is a deficient number, since it is larger than the sum of its proper divisors (1204223).

25152961 is a wasteful number, since it uses less digits than its factorization.

25152961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4631.

The product of its digits is 5400, while the sum is 31.

The square root of 25152961 is about 5015.2727742367. The cubic root of 25152961 is about 292.9969092694.

It can be divided in two parts, 2515 and 2961, that added together give a square (5476 = 74²).

The spelling of 25152961 in words is "twenty-five million, one hundred fifty-two thousand, nine hundred sixty-one".