25202461 has 4 divisors (see below), whose sum is σ = 25212924. Its totient is φ = 25192000.

The previous prime is 25202453. The next prime is 25202477. The reversal of 25202461 is 16420252.

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 10686361 + 14516100 = 3269^2 + 3810^2 .

It is a cyclic number.

It is not a de Polignac number, because 25202461 - 2³ = 25202453 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 (25202161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411 + ... + 7111.

It is an arithmetic number, because the mean of its divisors is an integer number (6303231).

Almost surely, 2^25202461 is an apocalyptic number.

It is an amenable number.

25202461 is a deficient number, since it is larger than the sum of its proper divisors (10463).

25202461 is an equidigital number, since it uses as much as digits as its factorization.

25202461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10462.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 25202461 is about 5020.2052746875. The cubic root of 25202461 is about 293.1889853090.

The spelling of 25202461 in words is "twenty-five million, two hundred two thousand, four hundred sixty-one".