26172053 has 2 divisors, whose sum is σ = 26172054. Its totient is φ = 26172052.

The previous prime is 26172049. The next prime is 26172077. The reversal of 26172053 is 35027162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15816529 + 10355524 = 3977^2 + 3218^2 .

It is a cyclic number.

It is not a de Polignac number, because 26172053 - 2² = 26172049 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26172023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13086026 + 13086027.

It is an arithmetic number, because the mean of its divisors is an integer number (13086027).

Almost surely, 2^26172053 is an apocalyptic number.

It is an amenable number.

26172053 is a deficient number, since it is larger than the sum of its proper divisors (1).

26172053 is an equidigital number, since it uses as much as digits as its factorization.

26172053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 26172053 is about 5115.8628793196. The cubic root of 26172053 is about 296.9016403499.

The spelling of 26172053 in words is "twenty-six million, one hundred seventy-two thousand, fifty-three".