26725619 has 2 divisors, whose sum is σ = 26725620. Its totient is φ = 26725618.

The previous prime is 26725579. The next prime is 26725637. The reversal of 26725619 is 91652762.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26725619 - 2¹² = 26721523 is a prime.

It is a super-2 number, since 2×26725619² = 1428517421866322, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (26725019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13362809 + 13362810.

It is an arithmetic number, because the mean of its divisors is an integer number (13362810).

Almost surely, 2^26725619 is an apocalyptic number.

26725619 is a deficient number, since it is larger than the sum of its proper divisors (1).

26725619 is an equidigital number, since it uses as much as digits as its factorization.

26725619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 26725619 is about 5169.6826788498. The cubic root of 26725619 is about 298.9803121230.

The spelling of 26725619 in words is "twenty-six million, seven hundred twenty-five thousand, six hundred nineteen".