26672501 has 2 divisors, whose sum is σ = 26672502. Its totient is φ = 26672500.

The previous prime is 26672497. The next prime is 26672531. The reversal of 26672501 is 10527662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14070001 + 12602500 = 3751^2 + 3550^2 .

It is a cyclic number.

It is not a de Polignac number, because 26672501 - 2² = 26672497 is a prime.

It is a super-2 number, since 2×26672501² = 1422844619190002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26672531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13336250 + 13336251.

It is an arithmetic number, because the mean of its divisors is an integer number (13336251).

Almost surely, 2^26672501 is an apocalyptic number.

It is an amenable number.

26672501 is a deficient number, since it is larger than the sum of its proper divisors (1).

26672501 is an equidigital number, since it uses as much as digits as its factorization.

26672501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 26672501 is about 5164.5426709439. The cubic root of 26672501 is about 298.7821031892.

The spelling of 26672501 in words is "twenty-six million, six hundred seventy-two thousand, five hundred one".