25752169 has 2 divisors, whose sum is σ = 25752170. Its totient is φ = 25752168.

The previous prime is 25752119. The next prime is 25752191. The reversal of 25752169 is 96125752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25120144 + 632025 = 5012^2 + 795^2 .

It is a cyclic number.

It is not a de Polignac number, because 25752169 - 2¹⁵ = 25719401 is a prime.

It is a super-2 number, since 2×25752169² = 1326348416409122, which contains 22 as substring.

It is equal to p_1609957 and since 25752169 and 1609957 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (25752109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12876084 + 12876085.

It is an arithmetic number, because the mean of its divisors is an integer number (12876085).

Almost surely, 2^25752169 is an apocalyptic number.

It is an amenable number.

25752169 is a deficient number, since it is larger than the sum of its proper divisors (1).

25752169 is an equidigital number, since it uses as much as digits as its factorization.

25752169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 37.

The square root of 25752169 is about 5074.6594959662. The cubic root of 25752169 is about 295.3053202009.

It can be divided in two parts, 25752 and 169, that added together give a square (25921 = 161²).

The spelling of 25752169 in words is "twenty-five million, seven hundred fifty-two thousand, one hundred sixty-nine".