26225587 has 2 divisors, whose sum is σ = 26225588. Its totient is φ = 26225586.

The previous prime is 26225581. The next prime is 26225621. The reversal of 26225587 is 78552262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26225587 - 2³ = 26225579 is a prime.

It is not a weakly prime, because it can be changed into another prime (26225581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13112793 + 13112794.

It is an arithmetic number, because the mean of its divisors is an integer number (13112794).

Almost surely, 2^26225587 is an apocalyptic number.

26225587 is a deficient number, since it is larger than the sum of its proper divisors (1).

26225587 is an equidigital number, since it uses as much as digits as its factorization.

26225587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67200, while the sum is 37.

The square root of 26225587 is about 5121.0923639396. The cubic root of 26225587 is about 297.1039363844.

The spelling of 26225587 in words is "twenty-six million, two hundred twenty-five thousand, five hundred eighty-seven".