25141565 has 8 divisors (see below), whose sum is σ = 30583608. Its totient is φ = 19837440.

The previous prime is 25141561. The next prime is 25141573. The reversal of 25141565 is 56514152.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1369 + 25140196 = 37^2 + 5014^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25141565 - 2² = 25141561 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25141561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34076 + ... + 34805.

It is an arithmetic number, because the mean of its divisors is an integer number (3822951).

Almost surely, 2^25141565 is an apocalyptic number.

It is an amenable number.

25141565 is a deficient number, since it is larger than the sum of its proper divisors (5442043).

25141565 is an equidigital number, since it uses as much as digits as its factorization.

25141565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68959.

The product of its digits is 6000, while the sum is 29.

The square root of 25141565 is about 5014.1365158918. The cubic root of 25141565 is about 292.9526534173.

The spelling of 25141565 in words is "twenty-five million, one hundred forty-one thousand, five hundred sixty-five".