25064147 has 2 divisors, whose sum is σ = 25064148. Its totient is φ = 25064146.

The previous prime is 25064131. The next prime is 25064153. The reversal of 25064147 is 74146052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25064147 - 2⁴ = 25064131 is a prime.

It is a super-2 number, since 2×25064147² = 1256422929675218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25064167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12532073 + 12532074.

It is an arithmetic number, because the mean of its divisors is an integer number (12532074).

Almost surely, 2^25064147 is an apocalyptic number.

25064147 is a deficient number, since it is larger than the sum of its proper divisors (1).

25064147 is an equidigital number, since it uses as much as digits as its factorization.

25064147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 25064147 is about 5006.4105904330. The cubic root of 25064147 is about 292.6516495138.

The spelling of 25064147 in words is "twenty-five million, sixty-four thousand, one hundred forty-seven".