26020157 has 2 divisors, whose sum is σ = 26020158. Its totient is φ = 26020156.

The previous prime is 26020147. The next prime is 26020207. The reversal of 26020157 is 75102062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25290841 + 729316 = 5029^2 + 854^2 .

It is a cyclic number.

It is not a de Polignac number, because 26020157 - 2¹⁴ = 26003773 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26020147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13010078 + 13010079.

It is an arithmetic number, because the mean of its divisors is an integer number (13010079).

Almost surely, 2^26020157 is an apocalyptic number.

It is an amenable number.

26020157 is a deficient number, since it is larger than the sum of its proper divisors (1).

26020157 is an equidigital number, since it uses as much as digits as its factorization.

26020157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 26020157 is about 5100.9956871183. The cubic root of 26020157 is about 296.3261447999.

The spelling of 26020157 in words is "twenty-six million, twenty thousand, one hundred fifty-seven".