25416653 has 4 divisors (see below), whose sum is σ = 25428060. Its totient is φ = 25405248.

The previous prime is 25416617. The next prime is 25416691. The reversal of 25416653 is 35661452.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 20043529 + 5373124 = 4477^2 + 2318^2 .

It is a cyclic number.

It is not a de Polignac number, because 25416653 - 2¹⁴ = 25400269 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 (25416253) 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, 1148 + ... + 7221.

It is an arithmetic number, because the mean of its divisors is an integer number (6357015).

Almost surely, 2^25416653 is an apocalyptic number.

It is an amenable number.

25416653 is a deficient number, since it is larger than the sum of its proper divisors (11407).

25416653 is an equidigital number, since it uses as much as digits as its factorization.

25416653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11406.

The product of its digits is 21600, while the sum is 32.

The square root of 25416653 is about 5041.4931319997. The cubic root of 25416653 is about 294.0172333212.

The spelling of 25416653 in words is "twenty-five million, four hundred sixteen thousand, six hundred fifty-three".