25279741 has 2 divisors, whose sum is σ = 25279742. Its totient is φ = 25279740.

The previous prime is 25279733. The next prime is 25279757. The reversal of 25279741 is 14797252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22231225 + 3048516 = 4715^2 + 1746^2 .

It is a cyclic number.

It is not a de Polignac number, because 25279741 - 2³ = 25279733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25279741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25279711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12639870 + 12639871.

It is an arithmetic number, because the mean of its divisors is an integer number (12639871).

Almost surely, 2^25279741 is an apocalyptic number.

It is an amenable number.

25279741 is a deficient number, since it is larger than the sum of its proper divisors (1).

25279741 is an equidigital number, since it uses as much as digits as its factorization.

25279741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 37.

The square root of 25279741 is about 5027.8962797576. The cubic root of 25279741 is about 293.4883545554.

The spelling of 25279741 in words is "twenty-five million, two hundred seventy-nine thousand, seven hundred forty-one".