25852669 has 4 divisors (see below), whose sum is σ = 25875196. Its totient is φ = 25830144.

The previous prime is 25852663. The next prime is 25852681. The reversal of 25852669 is 96625852.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3404025 + 22448644 = 1845^2 + 4738^2 .

It is a cyclic number.

It is not a de Polignac number, because 25852669 - 2¹³ = 25844477 is a prime.

It is a super-2 number, since 2×25852669² = 1336720988847122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25852663) 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, 9444 + ... + 11869.

It is an arithmetic number, because the mean of its divisors is an integer number (6468799).

Almost surely, 2^25852669 is an apocalyptic number.

It is an amenable number.

25852669 is a deficient number, since it is larger than the sum of its proper divisors (22527).

25852669 is a wasteful number, since it uses less digits than its factorization.

25852669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22526.

The product of its digits is 259200, while the sum is 43.

The square root of 25852669 is about 5084.5519959973. The cubic root of 25852669 is about 295.6889728163.

The spelling of 25852669 in words is "twenty-five million, eight hundred fifty-two thousand, six hundred sixty-nine".