25001461 has 2 divisors, whose sum is σ = 25001462. Its totient is φ = 25001460.

The previous prime is 25001453. The next prime is 25001477. The reversal of 25001461 is 16410052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20566225 + 4435236 = 4535^2 + 2106^2 .

It is a cyclic number.

It is not a de Polignac number, because 25001461 - 2³ = 25001453 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 (25001401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12500730 + 12500731.

It is an arithmetic number, because the mean of its divisors is an integer number (12500731).

Almost surely, 2^25001461 is an apocalyptic number.

It is an amenable number.

25001461 is a deficient number, since it is larger than the sum of its proper divisors (1).

25001461 is an equidigital number, since it uses as much as digits as its factorization.

25001461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 25001461 is about 5000.1460978655. The cubic root of 25001461 is about 292.4074696969.

The spelling of 25001461 in words is "twenty-five million, one thousand, four hundred sixty-one".