25160749 has 2 divisors, whose sum is σ = 25160750. Its totient is φ = 25160748.

The previous prime is 25160687. The next prime is 25160783. The reversal of 25160749 is 94706152.

It is an a-pointer prime, because the next prime (25160783) can be obtained adding 25160749 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21855625 + 3305124 = 4675^2 + 1818^2 .

It is a cyclic number.

It is not a de Polignac number, because 25160749 - 2¹⁵ = 25127981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25160449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12580374 + 12580375.

It is an arithmetic number, because the mean of its divisors is an integer number (12580375).

Almost surely, 2^25160749 is an apocalyptic number.

It is an amenable number.

25160749 is a deficient number, since it is larger than the sum of its proper divisors (1).

25160749 is an equidigital number, since it uses as much as digits as its factorization.

25160749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 25160749 is about 5016.0491425025. The cubic root of 25160749 is about 293.0271459277.

The spelling of 25160749 in words is "twenty-five million, one hundred sixty thousand, seven hundred forty-nine".