36231493 has 2 divisors, whose sum is σ = 36231494. Its totient is φ = 36231492.

The previous prime is 36231439. The next prime is 36231497. The reversal of 36231493 is 39413263.

Together with previous prime (36231439) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33616804 + 2614689 = 5798^2 + 1617^2 .

It is a cyclic number.

It is not a de Polignac number, because 36231493 - 2¹³ = 36223301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36231497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18115746 + 18115747.

It is an arithmetic number, because the mean of its divisors is an integer number (18115747).

Almost surely, 2^36231493 is an apocalyptic number.

It is an amenable number.

36231493 is a deficient number, since it is larger than the sum of its proper divisors (1).

36231493 is an equidigital number, since it uses as much as digits as its factorization.

36231493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 31.

The square root of 36231493 is about 6019.2601704861. The cubic root of 36231493 is about 330.8989660695.

The spelling of 36231493 in words is "thirty-six million, two hundred thirty-one thousand, four hundred ninety-three".