26642141 has 2 divisors, whose sum is σ = 26642142. Its totient is φ = 26642140.

The previous prime is 26642131. The next prime is 26642149. The reversal of 26642141 is 14124662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16370116 + 10272025 = 4046^2 + 3205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26642141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26642141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26642149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13321070 + 13321071.

It is an arithmetic number, because the mean of its divisors is an integer number (13321071).

Almost surely, 2^26642141 is an apocalyptic number.

It is an amenable number.

26642141 is a deficient number, since it is larger than the sum of its proper divisors (1).

26642141 is an equidigital number, since it uses as much as digits as its factorization.

26642141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 26.

The square root of 26642141 is about 5161.6025612207. The cubic root of 26642141 is about 298.6686971444.

The spelling of 26642141 in words is "twenty-six million, six hundred forty-two thousand, one hundred forty-one".