25312263 has 4 divisors (see below), whose sum is σ = 33749688. Its totient is φ = 16874840.

The previous prime is 25312253. The next prime is 25312267. The reversal of 25312263 is 36221352.

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

It is a cyclic number.

It is not a de Polignac number, because 25312263 - 2¹² = 25308167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25312267) 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, 4218708 + ... + 4218713.

It is an arithmetic number, because the mean of its divisors is an integer number (8437422).

Almost surely, 2^25312263 is an apocalyptic number.

25312263 is a deficient number, since it is larger than the sum of its proper divisors (8437425).

25312263 is an equidigital number, since it uses as much as digits as its factorization.

25312263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8437424.

The product of its digits is 2160, while the sum is 24.

The square root of 25312263 is about 5031.1293960700. The cubic root of 25312263 is about 293.6141567158.

The spelling of 25312263 in words is "twenty-five million, three hundred twelve thousand, two hundred sixty-three".