26501087 has 4 divisors (see below), whose sum is σ = 26763576. Its totient is φ = 26238600.

The previous prime is 26501081. The next prime is 26501107. The reversal of 26501087 is 78010562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26501087 - 2⁴ = 26501071 is a prime.

It is a super-2 number, since 2×26501087² = 1404615224363138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26501081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131093 + ... + 131294.

It is an arithmetic number, because the mean of its divisors is an integer number (6690894).

Almost surely, 2^26501087 is an apocalyptic number.

26501087 is a deficient number, since it is larger than the sum of its proper divisors (262489).

26501087 is a wasteful number, since it uses less digits than its factorization.

26501087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262488.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 26501087 is about 5147.9206481841. The cubic root of 26501087 is about 298.1406742400.

The spelling of 26501087 in words is "twenty-six million, five hundred one thousand, eighty-seven".