25125461 has 2 divisors, whose sum is σ = 25125462. Its totient is φ = 25125460.

The previous prime is 25125433. The next prime is 25125491. The reversal of 25125461 is 16452152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21996100 + 3129361 = 4690^2 + 1769^2 .

It is a cyclic number.

It is not a de Polignac number, because 25125461 - 2¹⁸ = 24863317 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25125461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25125491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12562730 + 12562731.

It is an arithmetic number, because the mean of its divisors is an integer number (12562731).

Almost surely, 2^25125461 is an apocalyptic number.

It is an amenable number.

25125461 is a deficient number, since it is larger than the sum of its proper divisors (1).

25125461 is an equidigital number, since it uses as much as digits as its factorization.

25125461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 26.

The square root of 25125461 is about 5012.5303989103. The cubic root of 25125461 is about 292.8900914517.

The spelling of 25125461 in words is "twenty-five million, one hundred twenty-five thousand, four hundred sixty-one".