26228497 has 2 divisors, whose sum is σ = 26228498. Its totient is φ = 26228496.

The previous prime is 26228483. The next prime is 26228537. The reversal of 26228497 is 79482262.

It is an a-pointer prime, because the next prime (26228537) can be obtained adding 26228497 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26204161 + 24336 = 5119^2 + 156^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26228497 is a prime.

It is equal to p_1637896 and since 26228497 and 1637896 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (26228407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13114248 + 13114249.

It is an arithmetic number, because the mean of its divisors is an integer number (13114249).

Almost surely, 2^26228497 is an apocalyptic number.

It is an amenable number.

26228497 is a deficient number, since it is larger than the sum of its proper divisors (1).

26228497 is an equidigital number, since it uses as much as digits as its factorization.

26228497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 26228497 is about 5121.3764751285. The cubic root of 26228497 is about 297.1149248958.

The spelling of 26228497 in words is "twenty-six million, two hundred twenty-eight thousand, four hundred ninety-seven".