26770531 has 4 divisors (see below), whose sum is σ = 26862192. Its totient is φ = 26678872.

The previous prime is 26770519. The next prime is 26770537. The reversal of 26770531 is 13507762.

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 26770531 - 2²¹ = 24673379 is a prime.

It is a super-2 number, since 2×26770531² = 1433322660043922, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 26770493 and 26770502.

It is not an unprimeable number, because it can be changed into a prime (26770537) 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 3 ways as a sum of consecutive naturals, for example, 45391 + ... + 45976.

It is an arithmetic number, because the mean of its divisors is an integer number (6715548).

Almost surely, 2^26770531 is an apocalyptic number.

26770531 is a deficient number, since it is larger than the sum of its proper divisors (91661).

26770531 is an equidigital number, since it uses as much as digits as its factorization.

26770531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91660.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 26770531 is about 5174.0246423843. The cubic root of 26770531 is about 299.1476956992.

The spelling of 26770531 in words is "twenty-six million, seven hundred seventy thousand, five hundred thirty-one".