26484257 has 2 divisors, whose sum is σ = 26484258. Its totient is φ = 26484256.

The previous prime is 26484239. The next prime is 26484281. The reversal of 26484257 is 75248462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23658496 + 2825761 = 4864^2 + 1681^2 .

It is a cyclic number.

It is not a de Polignac number, because 26484257 - 2¹⁴ = 26467873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26484257.

It is not a weakly prime, because it can be changed into another prime (26484217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13242128 + 13242129.

It is an arithmetic number, because the mean of its divisors is an integer number (13242129).

Almost surely, 2^26484257 is an apocalyptic number.

It is an amenable number.

26484257 is a deficient number, since it is larger than the sum of its proper divisors (1).

26484257 is an equidigital number, since it uses as much as digits as its factorization.

26484257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 38.

The square root of 26484257 is about 5146.2857479934. The cubic root of 26484257 is about 298.0775476455.

The spelling of 26484257 in words is "twenty-six million, four hundred eighty-four thousand, two hundred fifty-seven".