26852621 has 2 divisors, whose sum is σ = 26852622. Its totient is φ = 26852620.

The previous prime is 26852599. The next prime is 26852629. The reversal of 26852621 is 12625862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18361225 + 8491396 = 4285^2 + 2914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26852621 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26852629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13426310 + 13426311.

It is an arithmetic number, because the mean of its divisors is an integer number (13426311).

Almost surely, 2^26852621 is an apocalyptic number.

It is an amenable number.

26852621 is a deficient number, since it is larger than the sum of its proper divisors (1).

26852621 is an equidigital number, since it uses as much as digits as its factorization.

26852621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 32.

The square root of 26852621 is about 5181.9514663879. The cubic root of 26852621 is about 299.4531556617.

The spelling of 26852621 in words is "twenty-six million, eight hundred fifty-two thousand, six hundred twenty-one".