26450731 has 2 divisors, whose sum is σ = 26450732. Its totient is φ = 26450730.

The previous prime is 26450687. The next prime is 26450737. The reversal of 26450731 is 13705462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26450731 - 2⁹ = 26450219 is a prime.

It is a super-2 number, since 2×26450731² = 1399282340868722, which contains 22 as substring.

It is a Chen prime.

It is equal to p_1650880 and since 26450731 and 1650880 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26450731.

It is not a weakly prime, because it can be changed into another prime (26450737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13225365 + 13225366.

It is an arithmetic number, because the mean of its divisors is an integer number (13225366).

Almost surely, 2^26450731 is an apocalyptic number.

26450731 is a deficient number, since it is larger than the sum of its proper divisors (1).

26450731 is an equidigital number, since it uses as much as digits as its factorization.

26450731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 26450731 is about 5143.0274158320. The cubic root of 26450731 is about 297.9517173251.

The spelling of 26450731 in words is "twenty-six million, four hundred fifty thousand, seven hundred thirty-one".