25947201 has 16 divisors (see below), whose sum is σ = 39682944. Its totient is φ = 14772864.

The previous prime is 25947191. The next prime is 25947221. The reversal of 25947201 is 10274952.

It is not a de Polignac number, because 25947201 - 2⁵ = 25947169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25947221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4045 + ... + 8261.

It is an arithmetic number, because the mean of its divisors is an integer number (2480184).

Almost surely, 2^25947201 is an apocalyptic number.

25947201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

25947201 is a deficient number, since it is larger than the sum of its proper divisors (13735743).

25947201 is a wasteful number, since it uses less digits than its factorization.

25947201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4520.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 25947201 is about 5093.8395145509. The cubic root of 25947201 is about 296.0489365463.

The spelling of 25947201 in words is "twenty-five million, nine hundred forty-seven thousand, two hundred one".