365481 has 6 divisors (see below), whose sum is σ = 527930. Its totient is φ = 243648.

The previous prime is 365479. The next prime is 365489. The reversal of 365481 is 184563.

365481 is a `hidden beast` number, since 3 + 654 + 8 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 266256 + 99225 = 516^2 + 315^2 .

It is not a de Polignac number, because 365481 - 2¹ = 365479 is a prime.

It is a super-2 number, since 2×365481² = 267152722722, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 365481.

It is not an unprimeable number, because it can be changed into a prime (365489) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20296 + ... + 20313.

2³⁶⁵⁴⁸¹ is an apocalyptic number.

It is an amenable number.

365481 is a deficient number, since it is larger than the sum of its proper divisors (162449).

365481 is a wasteful number, since it uses less digits than its factorization.

365481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40615 (or 40612 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 365481 is about 604.5502460507. The cubic root of 365481 is about 71.4970739018.

The spelling of 365481 in words is "three hundred sixty-five thousand, four hundred eighty-one".