26190361 has 2 divisors, whose sum is σ = 26190362. Its totient is φ = 26190360.

The previous prime is 26190347. The next prime is 26190371. The reversal of 26190361 is 16309162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25190361 + 1000000 = 5019^2 + 1000^2 .

It is a cyclic number.

It is not a de Polignac number, because 26190361 - 2²³ = 17801753 is a prime.

It is not a weakly prime, because it can be changed into another prime (26190331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13095180 + 13095181.

It is an arithmetic number, because the mean of its divisors is an integer number (13095181).

Almost surely, 2^26190361 is an apocalyptic number.

26190361 is the 2736-th centered heptagonal number.

It is an amenable number.

26190361 is a deficient number, since it is larger than the sum of its proper divisors (1).

26190361 is an equidigital number, since it uses as much as digits as its factorization.

26190361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 26190361 is about 5117.6519029727. The cubic root of 26190361 is about 296.9708542331.

The spelling of 26190361 in words is "twenty-six million, one hundred ninety thousand, three hundred sixty-one".