26361457 has 2 divisors, whose sum is σ = 26361458. Its totient is φ = 26361456.

The previous prime is 26361449. The next prime is 26361463. The reversal of 26361457 is 75416362.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25715041 + 646416 = 5071^2 + 804^2 .

It is a cyclic number.

It is not a de Polignac number, because 26361457 - 2³ = 26361449 is a prime.

It is not a weakly prime, because it can be changed into another prime (26361487) 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, 13180728 + 13180729.

It is an arithmetic number, because the mean of its divisors is an integer number (13180729).

Almost surely, 2^26361457 is an apocalyptic number.

It is an amenable number.

26361457 is a deficient number, since it is larger than the sum of its proper divisors (1).

26361457 is an equidigital number, since it uses as much as digits as its factorization.

26361457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 26361457 is about 5134.3409508914. The cubic root of 26361457 is about 297.6161333666.

The spelling of 26361457 in words is "twenty-six million, three hundred sixty-one thousand, four hundred fifty-seven".