26725019 has 2 divisors, whose sum is σ = 26725020. Its totient is φ = 26725018.

The previous prime is 26724977. The next prime is 26725021. The reversal of 26725019 is 91052762.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26725019 - 2¹⁶ = 26659483 is a prime.

It is a super-2 number, since 2×26725019² = 1428453281100722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 26725021, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26725079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13362509 + 13362510.

It is an arithmetic number, because the mean of its divisors is an integer number (13362510).

Almost surely, 2^26725019 is an apocalyptic number.

26725019 is a deficient number, since it is larger than the sum of its proper divisors (1).

26725019 is an equidigital number, since it uses as much as digits as its factorization.

26725019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 26725019 is about 5169.6246478831. The cubic root of 26725019 is about 298.9780747002.

The spelling of 26725019 in words is "twenty-six million, seven hundred twenty-five thousand, nineteen".