36454981 has 4 divisors (see below), whose sum is σ = 36467200. Its totient is φ = 36442764.

The previous prime is 36454967. The next prime is 36454991. The reversal of 36454981 is 18945463.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 36454981 - 2¹⁵ = 36422213 is a prime.

It is a super-2 number, since 2×36454981² = 2657931279420722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36454921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1660 + ... + 8698.

It is an arithmetic number, because the mean of its divisors is an integer number (9116800).

Almost surely, 2^36454981 is an apocalyptic number.

It is an amenable number.

36454981 is a deficient number, since it is larger than the sum of its proper divisors (12219).

36454981 is an equidigital number, since it uses as much as digits as its factorization.

36454981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12218.

The product of its digits is 103680, while the sum is 40.

The square root of 36454981 is about 6037.7960382908. The cubic root of 36454981 is about 331.5779372028.

The spelling of 36454981 in words is "thirty-six million, four hundred fifty-four thousand, nine hundred eighty-one".