25890607 has 2 divisors, whose sum is σ = 25890608. Its totient is φ = 25890606.

The previous prime is 25890593. The next prime is 25890619. The reversal of 25890607 is 70609852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25890607 - 2¹¹ = 25888559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25897607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12945303 + 12945304.

It is an arithmetic number, because the mean of its divisors is an integer number (12945304).

Almost surely, 2^25890607 is an apocalyptic number.

25890607 is a deficient number, since it is larger than the sum of its proper divisors (1).

25890607 is an equidigital number, since it uses as much as digits as its factorization.

25890607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 25890607 is about 5088.2813404921. The cubic root of 25890607 is about 295.8335402939.

The spelling of 25890607 in words is "twenty-five million, eight hundred ninety thousand, six hundred seven".