25321263 has 16 divisors (see below), whose sum is σ = 38102400. Its totient is φ = 14816480.

The previous prime is 25321253. The next prime is 25321271. The reversal of 25321263 is 36212352.

It is a cyclic number.

It is not a de Polignac number, because 25321263 - 2¹² = 25317167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25321253) 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, 12273 + ... + 14186.

It is an arithmetic number, because the mean of its divisors is an integer number (2381400).

Almost surely, 2^25321263 is an apocalyptic number.

25321263 is a deficient number, since it is larger than the sum of its proper divisors (12781137).

25321263 is a wasteful number, since it uses less digits than its factorization.

25321263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26502.

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

The square root of 25321263 is about 5032.0237479567. The cubic root of 25321263 is about 293.6489516329.

The spelling of 25321263 in words is "twenty-five million, three hundred twenty-one thousand, two hundred sixty-three".