25271801 has 2 divisors, whose sum is σ = 25271802. Its totient is φ = 25271800.

The previous prime is 25271791. The next prime is 25271833. The reversal of 25271801 is 10817252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24760576 + 511225 = 4976^2 + 715^2 .

It is a cyclic number.

It is not a de Polignac number, because 25271801 - 2⁶ = 25271737 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25277801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12635900 + 12635901.

It is an arithmetic number, because the mean of its divisors is an integer number (12635901).

Almost surely, 2^25271801 is an apocalyptic number.

It is an amenable number.

25271801 is a deficient number, since it is larger than the sum of its proper divisors (1).

25271801 is an equidigital number, since it uses as much as digits as its factorization.

25271801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 25271801 is about 5027.1066230984. The cubic root of 25271801 is about 293.4576245260.

The spelling of 25271801 in words is "twenty-five million, two hundred seventy-one thousand, eight hundred one".