25464071 has 2 divisors, whose sum is σ = 25464072. Its totient is φ = 25464070.

The previous prime is 25464067. The next prime is 25464073. The reversal of 25464071 is 17046452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25464071 - 2² = 25464067 is a prime.

Together with 25464073, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25464073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12732035 + 12732036.

It is an arithmetic number, because the mean of its divisors is an integer number (12732036).

Almost surely, 2^25464071 is an apocalyptic number.

25464071 is a deficient number, since it is larger than the sum of its proper divisors (1).

25464071 is an equidigital number, since it uses as much as digits as its factorization.

25464071 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 25464071 is about 5046.1937140780. The cubic root of 25464071 is about 294.1999619196.

The spelling of 25464071 in words is "twenty-five million, four hundred sixty-four thousand, seventy-one".