43437241 has 4 divisors (see below), whose sum is σ = 43456500. Its totient is φ = 43417984.

The previous prime is 43437221. The next prime is 43437257. The reversal of 43437241 is 14273434.

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

It can be written as a sum of positive squares in 2 ways, for example, as 27405225 + 16032016 = 5235^2 + 4004^2 .

It is a cyclic number.

It is not a de Polignac number, because 43437241 - 2⁵ = 43437209 is a prime.

It is a super-4 number, since 4×43437241⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43437221) 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, 5716 + ... + 10933.

It is an arithmetic number, because the mean of its divisors is an integer number (10864125).

Almost surely, 2^43437241 is an apocalyptic number.

It is an amenable number.

43437241 is a deficient number, since it is larger than the sum of its proper divisors (19259).

43437241 is a wasteful number, since it uses less digits than its factorization.

43437241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19258.

The product of its digits is 8064, while the sum is 28.

The square root of 43437241 is about 6590.6935143428. The cubic root of 43437241 is about 351.5232683043.

It can be divided in two parts, 434 and 37241, that added together give a triangular number (37675 = T₂₇₄).

The spelling of 43437241 in words is "forty-three million, four hundred thirty-seven thousand, two hundred forty-one".