25117069 has 4 divisors (see below), whose sum is σ = 26439040. Its totient is φ = 23795100.

The previous prime is 25117061. The next prime is 25117087. The reversal of 25117069 is 96071152.

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 not a de Polignac number, because 25117069 - 2³ = 25117061 is a prime.

It is a super-2 number, since 2×25117069² = 1261734310301522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25117069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25117061) 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, 660957 + ... + 660994.

It is an arithmetic number, because the mean of its divisors is an integer number (6609760).

Almost surely, 2^25117069 is an apocalyptic number.

It is an amenable number.

25117069 is a deficient number, since it is larger than the sum of its proper divisors (1321971).

25117069 is a wasteful number, since it uses less digits than its factorization.

25117069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321970.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 25117069 is about 5011.6932268446. The cubic root of 25117069 is about 292.8574790172.

The spelling of 25117069 in words is "twenty-five million, one hundred seventeen thousand, sixty-nine".