36547813 has 2 divisors, whose sum is σ = 36547814. Its totient is φ = 36547812.

The previous prime is 36547781. The next prime is 36547817. The reversal of 36547813 is 31874563.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22724289 + 13823524 = 4767^2 + 3718^2 .

It is a cyclic number.

It is not a de Polignac number, because 36547813 - 2⁵ = 36547781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36547817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18273906 + 18273907.

It is an arithmetic number, because the mean of its divisors is an integer number (18273907).

Almost surely, 2^36547813 is an apocalyptic number.

It is an amenable number.

36547813 is a deficient number, since it is larger than the sum of its proper divisors (1).

36547813 is an equidigital number, since it uses as much as digits as its factorization.

36547813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 37.

The square root of 36547813 is about 6045.4787238067. The cubic root of 36547813 is about 331.8591511944.

The spelling of 36547813 in words is "thirty-six million, five hundred forty-seven thousand, eight hundred thirteen".