25109069 has 2 divisors, whose sum is σ = 25109070. Its totient is φ = 25109068.

The previous prime is 25109057. The next prime is 25109081. The reversal of 25109069 is 96090152.

It is a balanced prime because it is at equal distance from previous prime (25109057) and next prime (25109081).

It can be written as a sum of positive squares in only one way, i.e., 20593444 + 4515625 = 4538^2 + 2125^2 .

It is a cyclic number.

It is not a de Polignac number, because 25109069 - 2⁴ = 25109053 is a prime.

It is a super-2 number, since 2×25109069² = 1260930692093522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25109269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12554534 + 12554535.

It is an arithmetic number, because the mean of its divisors is an integer number (12554535).

Almost surely, 2^25109069 is an apocalyptic number.

It is an amenable number.

25109069 is a deficient number, since it is larger than the sum of its proper divisors (1).

25109069 is an equidigital number, since it uses as much as digits as its factorization.

25109069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 25109069 is about 5010.8950298325. The cubic root of 25109069 is about 292.8263831833.

The spelling of 25109069 in words is "twenty-five million, one hundred nine thousand, sixty-nine".