25745273 has 2 divisors, whose sum is σ = 25745274. Its totient is φ = 25745272.

The previous prime is 25745267. The next prime is 25745281. The reversal of 25745273 is 37254752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22534009 + 3211264 = 4747^2 + 1792^2 .

It is a cyclic number.

It is not a de Polignac number, because 25745273 - 2¹⁴ = 25728889 is a prime.

It is not a weakly prime, because it can be changed into another prime (25745173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12872636 + 12872637.

It is an arithmetic number, because the mean of its divisors is an integer number (12872637).

Almost surely, 2^25745273 is an apocalyptic number.

It is an amenable number.

25745273 is a deficient number, since it is larger than the sum of its proper divisors (1).

25745273 is an equidigital number, since it uses as much as digits as its factorization.

25745273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58800, while the sum is 35.

The square root of 25745273 is about 5073.9799960189. The cubic root of 25745273 is about 295.2789585731.

The spelling of 25745273 in words is "twenty-five million, seven hundred forty-five thousand, two hundred seventy-three".