25461071 has 2 divisors, whose sum is σ = 25461072. Its totient is φ = 25461070.

The previous prime is 25461067. The next prime is 25461109. The reversal of 25461071 is 17016452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25461071 - 2² = 25461067 is a prime.

It is a super-2 number, since 2×25461071² = 1296532272934082, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25461071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25461011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12730535 + 12730536.

It is an arithmetic number, because the mean of its divisors is an integer number (12730536).

Almost surely, 2^25461071 is an apocalyptic number.

25461071 is a deficient number, since it is larger than the sum of its proper divisors (1).

25461071 is an equidigital number, since it uses as much as digits as its factorization.

25461071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 25461071 is about 5045.8964515733. The cubic root of 25461071 is about 294.1884079337.

The spelling of 25461071 in words is "twenty-five million, four hundred sixty-one thousand, seventy-one".