26461493 has 2 divisors, whose sum is σ = 26461494. Its totient is φ = 26461492.

The previous prime is 26461483. The next prime is 26461499. The reversal of 26461493 is 39416462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16589329 + 9872164 = 4073^2 + 3142^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26461493 is a prime.

It is a super-2 number, since 2×26461493² = 1400421223578098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26461499) 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 as a sum of consecutive naturals, namely, 13230746 + 13230747.

It is an arithmetic number, because the mean of its divisors is an integer number (13230747).

Almost surely, 2^26461493 is an apocalyptic number.

It is an amenable number.

26461493 is a deficient number, since it is larger than the sum of its proper divisors (1).

26461493 is an equidigital number, since it uses as much as digits as its factorization.

26461493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 35.

The square root of 26461493 is about 5144.0735803447. The cubic root of 26461493 is about 297.9921210175.

The spelling of 26461493 in words is "twenty-six million, four hundred sixty-one thousand, four hundred ninety-three".