25145653 has 8 divisors (see below), whose sum is σ = 27451928. Its totient is φ = 22892544.

The previous prime is 25145641. The next prime is 25145657. The reversal of 25145653 is 35654152.

It can be written as a sum of positive squares in 4 ways, for example, as 5280804 + 19864849 = 2298^2 + 4457^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25145653 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 (25145657) 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, 12300 + ... + 14197.

It is an arithmetic number, because the mean of its divisors is an integer number (3431491).

Almost surely, 2^25145653 is an apocalyptic number.

It is an amenable number.

25145653 is a deficient number, since it is larger than the sum of its proper divisors (2306275).

25145653 is a wasteful number, since it uses less digits than its factorization.

25145653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26583.

The product of its digits is 18000, while the sum is 31.

The square root of 25145653 is about 5014.5441467794. The cubic root of 25145653 is about 292.9685305188.

The spelling of 25145653 in words is "twenty-five million, one hundred forty-five thousand, six hundred fifty-three".