26390151 has 8 divisors (see below), whose sum is σ = 39096560. Its totient is φ = 17593416.

The previous prime is 26390113. The next prime is 26390153. The reversal of 26390151 is 15109362.

It is not a de Polignac number, because 26390151 - 2⁹ = 26389639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 977413 = 26390151 / (2 + 6 + 3 + 9 + 0 + 1 + 5 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26390153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488680 + ... + 488733.

It is an arithmetic number, because the mean of its divisors is an integer number (4887070).

Almost surely, 2^26390151 is an apocalyptic number.

26390151 is a deficient number, since it is larger than the sum of its proper divisors (12706409).

26390151 is an equidigital number, since it uses as much as digits as its factorization.

26390151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977422 (or 977416 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 26390151 is about 5137.1345125469. The cubic root of 26390151 is about 297.7240775864.

The spelling of 26390151 in words is "twenty-six million, three hundred ninety thousand, one hundred fifty-one".