25206089 has 2 divisors, whose sum is σ = 25206090. Its totient is φ = 25206088.

The previous prime is 25206067. The next prime is 25206143. The reversal of 25206089 is 98060252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25080064 + 126025 = 5008^2 + 355^2 .

It is a cyclic number.

It is not a de Polignac number, because 25206089 - 2¹² = 25201993 is a prime.

It is not a weakly prime, because it can be changed into another prime (25206029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12603044 + 12603045.

It is an arithmetic number, because the mean of its divisors is an integer number (12603045).

Almost surely, 2^25206089 is an apocalyptic number.

It is an amenable number.

25206089 is a deficient number, since it is larger than the sum of its proper divisors (1).

25206089 is an equidigital number, since it uses as much as digits as its factorization.

25206089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 25206089 is about 5020.5666014903. The cubic root of 25206089 is about 293.2030532288.

The spelling of 25206089 in words is "twenty-five million, two hundred six thousand, eighty-nine".