25851461 has 2 divisors, whose sum is σ = 25851462. Its totient is φ = 25851460.

The previous prime is 25851451. The next prime is 25851479. The reversal of 25851461 is 16415852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14250625 + 11600836 = 3775^2 + 3406^2 .

It is a cyclic number.

It is not a de Polignac number, because 25851461 - 2²² = 21657157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25851401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12925730 + 12925731.

It is an arithmetic number, because the mean of its divisors is an integer number (12925731).

Almost surely, 2^25851461 is an apocalyptic number.

It is an amenable number.

25851461 is a deficient number, since it is larger than the sum of its proper divisors (1).

25851461 is an equidigital number, since it uses as much as digits as its factorization.

25851461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 32.

The square root of 25851461 is about 5084.4332034161. The cubic root of 25851461 is about 295.6843672591.

The spelling of 25851461 in words is "twenty-five million, eight hundred fifty-one thousand, four hundred sixty-one".