25020461 has 2 divisors, whose sum is σ = 25020462. Its totient is φ = 25020460.

The previous prime is 25020421. The next prime is 25020487. The reversal of 25020461 is 16402052.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19758025 + 5262436 = 4445^2 + 2294^2 .

It is a cyclic number.

It is not a de Polignac number, because 25020461 - 2¹⁸ = 24758317 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25020421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12510230 + 12510231.

It is an arithmetic number, because the mean of its divisors is an integer number (12510231).

Almost surely, 2^25020461 is an apocalyptic number.

It is an amenable number.

25020461 is a deficient number, since it is larger than the sum of its proper divisors (1).

25020461 is an equidigital number, since it uses as much as digits as its factorization.

25020461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 25020461 is about 5002.0456815187. The cubic root of 25020461 is about 292.4815231711.

The spelling of 25020461 in words is "twenty-five million, twenty thousand, four hundred sixty-one".