25750369 has 2 divisors, whose sum is σ = 25750370. Its totient is φ = 25750368.

The previous prime is 25750349. The next prime is 25750391. The reversal of 25750369 is 96305752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21390625 + 4359744 = 4625^2 + 2088^2 .

It is a cyclic number.

It is not a de Polignac number, because 25750369 - 2¹⁹ = 25226081 is a prime.

It is a super-2 number, since 2×25750369² = 1326163007272322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25750349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12875184 + 12875185.

It is an arithmetic number, because the mean of its divisors is an integer number (12875185).

Almost surely, 2^25750369 is an apocalyptic number.

It is an amenable number.

25750369 is a deficient number, since it is larger than the sum of its proper divisors (1).

25750369 is an equidigital number, since it uses as much as digits as its factorization.

25750369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 25750369 is about 5074.4821410662. The cubic root of 25750369 is about 295.2984397195.

The spelling of 25750369 in words is "twenty-five million, seven hundred fifty thousand, three hundred sixty-nine".