25261267 has 2 divisors, whose sum is σ = 25261268. Its totient is φ = 25261266.

The previous prime is 25261213. The next prime is 25261273. The reversal of 25261267 is 76216252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25261267 - 2²³ = 16872659 is a prime.

It is a super-2 number, since 2×25261267² = 1276263220890578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25261297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12630633 + 12630634.

It is an arithmetic number, because the mean of its divisors is an integer number (12630634).

Almost surely, 2^25261267 is an apocalyptic number.

25261267 is a deficient number, since it is larger than the sum of its proper divisors (1).

25261267 is an equidigital number, since it uses as much as digits as its factorization.

25261267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

The square root of 25261267 is about 5026.0587939259. The cubic root of 25261267 is about 293.4168450524.

The spelling of 25261267 in words is "twenty-five million, two hundred sixty-one thousand, two hundred sixty-seven".