25366047 has 24 divisors (see below), whose sum is σ = 39432576. Its totient is φ = 14208144.

The previous prime is 25366013. The next prime is 25366063. The reversal of 25366047 is 74066352.

It is not a de Polignac number, because 25366047 - 2⁶ = 25365983 is a prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 25365999 and 25366017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25366067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72928 + ... + 73274.

It is an arithmetic number, because the mean of its divisors is an integer number (1643024).

Almost surely, 2^25366047 is an apocalyptic number.

25366047 is a deficient number, since it is larger than the sum of its proper divisors (14066529).

25366047 is an equidigital number, since it uses as much as digits as its factorization.

25366047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 25366047 is about 5036.4716816438. The cubic root of 25366047 is about 293.8219686647.

The spelling of 25366047 in words is "twenty-five million, three hundred sixty-six thousand, forty-seven".