26390153 has 2 divisors, whose sum is σ = 26390154. Its totient is φ = 26390152.

The previous prime is 26390113. The next prime is 26390167. The reversal of 26390153 is 35109362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13227769 + 13162384 = 3637^2 + 3628^2 .

It is a cyclic number.

It is not a de Polignac number, because 26390153 - 2²⁴ = 9612937 is a prime.

It is equal to p_1647317 and since 26390153 and 1647317 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (26390113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13195076 + 13195077.

It is an arithmetic number, because the mean of its divisors is an integer number (13195077).

Almost surely, 2^26390153 is an apocalyptic number.

It is an amenable number.

26390153 is a deficient number, since it is larger than the sum of its proper divisors (1).

26390153 is an equidigital number, since it uses as much as digits as its factorization.

26390153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 26390153 is about 5137.1347072079. The cubic root of 26390153 is about 297.7240851075.

The spelling of 26390153 in words is "twenty-six million, three hundred ninety thousand, one hundred fifty-three".