25068569 has 4 divisors (see below), whose sum is σ = 25493520. Its totient is φ = 24643620.

The previous prime is 25068539. The next prime is 25068587. The reversal of 25068569 is 96586052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25068569 is a prime.

It is a super-2 number, since 2×25068569² = 1256866303415522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25068529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212387 + ... + 212504.

It is an arithmetic number, because the mean of its divisors is an integer number (6373380).

Almost surely, 2^25068569 is an apocalyptic number.

It is an amenable number.

25068569 is a deficient number, since it is larger than the sum of its proper divisors (424951).

25068569 is an equidigital number, since it uses as much as digits as its factorization.

25068569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424950.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 25068569 is about 5006.8522047290. The cubic root of 25068569 is about 292.6688590827.

The spelling of 25068569 in words is "twenty-five million, sixty-eight thousand, five hundred sixty-nine".