26121461 has 2 divisors, whose sum is σ = 26121462. Its totient is φ = 26121460.

The previous prime is 26121457. The next prime is 26121467. The reversal of 26121461 is 16412162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21215236 + 4906225 = 4606^2 + 2215^2 .

It is a cyclic number.

It is not a de Polignac number, because 26121461 - 2² = 26121457 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 (26121467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13060730 + 13060731.

It is an arithmetic number, because the mean of its divisors is an integer number (13060731).

Almost surely, 2^26121461 is an apocalyptic number.

It is an amenable number.

26121461 is a deficient number, since it is larger than the sum of its proper divisors (1).

26121461 is an equidigital number, since it uses as much as digits as its factorization.

26121461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 23.

The square root of 26121461 is about 5110.9158670438. The cubic root of 26121461 is about 296.7102079480.

The spelling of 26121461 in words is "twenty-six million, one hundred twenty-one thousand, four hundred sixty-one".