25279207 has 2 divisors, whose sum is σ = 25279208. Its totient is φ = 25279206.

The previous prime is 25279183. The next prime is 25279211. The reversal of 25279207 is 70297252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25279207 - 2¹¹ = 25277159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25279217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12639603 + 12639604.

It is an arithmetic number, because the mean of its divisors is an integer number (12639604).

Almost surely, 2^25279207 is an apocalyptic number.

25279207 is a deficient number, since it is larger than the sum of its proper divisors (1).

25279207 is an equidigital number, since it uses as much as digits as its factorization.

25279207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 25279207 is about 5027.8431757564. The cubic root of 25279207 is about 293.4862880273.

The spelling of 25279207 in words is "twenty-five million, two hundred seventy-nine thousand, two hundred seven".