25264601 has 4 divisors (see below), whose sum is σ = 26750772. Its totient is φ = 23778432.

The previous prime is 25264579. The next prime is 25264627. The reversal of 25264601 is 10646252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19009600 + 6255001 = 4360^2 + 2501^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25264601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25264691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 743060 + ... + 743093.

It is an arithmetic number, because the mean of its divisors is an integer number (6687693).

Almost surely, 2^25264601 is an apocalyptic number.

It is an amenable number.

25264601 is a deficient number, since it is larger than the sum of its proper divisors (1486171).

25264601 is a wasteful number, since it uses less digits than its factorization.

25264601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486170.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 25264601 is about 5026.3904543917. The cubic root of 25264601 is about 293.4297529392.

The spelling of 25264601 in words is "twenty-five million, two hundred sixty-four thousand, six hundred one".