26572939 has 2 divisors, whose sum is σ = 26572940. Its totient is φ = 26572938.

The previous prime is 26572933. The next prime is 26572943. The reversal of 26572939 is 93927562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26572939 - 2¹¹ = 26570891 is a prime.

It is a super-2 number, since 2×26572939² = 1412242174195442, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26572895 and 26572904.

It is not a weakly prime, because it can be changed into another prime (26572933) 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, 13286469 + 13286470.

It is an arithmetic number, because the mean of its divisors is an integer number (13286470).

Almost surely, 2^26572939 is an apocalyptic number.

26572939 is a deficient number, since it is larger than the sum of its proper divisors (1).

26572939 is an equidigital number, since it uses as much as digits as its factorization.

26572939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 43.

The square root of 26572939 is about 5154.8946642972. The cubic root of 26572939 is about 298.4098792032.

The spelling of 26572939 in words is "twenty-six million, five hundred seventy-two thousand, nine hundred thirty-nine".