363540043 has 4 divisors (see below), whose sum is σ = 364781088. Its totient is φ = 362299000.

The previous prime is 363540013. The next prime is 363540077. The reversal of 363540043 is 340045363.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 363540043 - 2²¹ = 361442891 is a prime.

It is a super-3 number, since 3×363540043³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 363539993 and 363540020.

It is not an unprimeable number, because it can be changed into a prime (363540013) 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, 620083 + ... + 620668.

It is an arithmetic number, because the mean of its divisors is an integer number (91195272).

Almost surely, 2^363540043 is an apocalyptic number.

363540043 is a deficient number, since it is larger than the sum of its proper divisors (1241045).

363540043 is a wasteful number, since it uses less digits than its factorization.

363540043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241044.

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 363540043 is about 19066.7260692548. The cubic root of 363540043 is about 713.7028287554.

The spelling of 363540043 in words is "three hundred sixty-three million, five hundred forty thousand, forty-three".