36557473 has 2 divisors, whose sum is σ = 36557474. Its totient is φ = 36557472.

The previous prime is 36557471. The next prime is 36557503. The reversal of 36557473 is 37475563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30835809 + 5721664 = 5553^2 + 2392^2 .

It is a cyclic number.

It is not a de Polignac number, because 36557473 - 2¹ = 36557471 is a prime.

Together with 36557471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (36557471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18278736 + 18278737.

It is an arithmetic number, because the mean of its divisors is an integer number (18278737).

Almost surely, 2^36557473 is an apocalyptic number.

It is an amenable number.

36557473 is a deficient number, since it is larger than the sum of its proper divisors (1).

36557473 is an equidigital number, since it uses as much as digits as its factorization.

36557473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 264600, while the sum is 40.

The square root of 36557473 is about 6046.2776151943. The cubic root of 36557473 is about 331.8883866601. Note that the first 3 decimals are identical.

The spelling of 36557473 in words is "thirty-six million, five hundred fifty-seven thousand, four hundred seventy-three".