25055801 has 2 divisors, whose sum is σ = 25055802. Its totient is φ = 25055800.

The previous prime is 25055783. The next prime is 25055819. The reversal of 25055801 is 10855052.

It is a balanced prime because it is at equal distance from previous prime (25055783) and next prime (25055819).

It can be written as a sum of positive squares in only one way, i.e., 25050025 + 5776 = 5005^2 + 76^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25055801 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25055831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12527900 + 12527901.

It is an arithmetic number, because the mean of its divisors is an integer number (12527901).

Almost surely, 2^25055801 is an apocalyptic number.

It is an amenable number.

25055801 is a deficient number, since it is larger than the sum of its proper divisors (1).

25055801 is an equidigital number, since it uses as much as digits as its factorization.

25055801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 25055801 is about 5005.5769897186. The cubic root of 25055801 is about 292.6191629794.

The spelling of 25055801 in words is "twenty-five million, fifty-five thousand, eight hundred one".