26501131 has 2 divisors, whose sum is σ = 26501132. Its totient is φ = 26501130.

The previous prime is 26501119. The next prime is 26501141. The reversal of 26501131 is 13110562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26501131 - 2¹⁷ = 26370059 is a prime.

It is a super-2 number, since 2×26501131² = 1404619888558322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26501099 and 26501108.

It is not a weakly prime, because it can be changed into another prime (26501141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13250565 + 13250566.

It is an arithmetic number, because the mean of its divisors is an integer number (13250566).

Almost surely, 2^26501131 is an apocalyptic number.

26501131 is a deficient number, since it is larger than the sum of its proper divisors (1).

26501131 is an equidigital number, since it uses as much as digits as its factorization.

26501131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 26501131 is about 5147.9249217525. The cubic root of 26501131 is about 298.1408392418.

Adding to 26501131 its reverse (13110562), we get a palindrome (39611693).

The spelling of 26501131 in words is "twenty-six million, five hundred one thousand, one hundred thirty-one".