36319481 has 12 divisors (see below), whose sum is σ = 40900692. Its totient is φ = 32208000.

The previous prime is 36319457. The next prime is 36319489. The reversal of 36319481 is 18491363.

It can be written as a sum of positive squares in 2 ways, for example, as 511225 + 35808256 = 715^2 + 5984^2 .

It is a de Polignac number, because none of the positive numbers 2^k-36319481 is a prime.

It is a super-2 number, since 2×36319481² = 2638209400218722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36319489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1301 + ... + 8621.

It is an arithmetic number, because the mean of its divisors is an integer number (3408391).

Almost surely, 2^36319481 is an apocalyptic number.

It is an amenable number.

36319481 is a deficient number, since it is larger than the sum of its proper divisors (4581211).

36319481 is a wasteful number, since it uses less digits than its factorization.

36319481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7384 (or 7373 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 36319481 is about 6026.5646101241. The cubic root of 36319481 is about 331.1666116904.

The spelling of 36319481 in words is "thirty-six million, three hundred nineteen thousand, four hundred eighty-one".