43913052 has 18 divisors (see below), whose sum is σ = 111002528. Its totient is φ = 14637672.

The previous prime is 43913041. The next prime is 43913063. The reversal of 43913052 is 25031934.

It is an interprime number because it is at equal distance from previous prime (43913041) and next prime (43913063).

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×43913052² = 3856712271909408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 609868 + ... + 609939.

Almost surely, 2^43913052 is an apocalyptic number.

It is an amenable number.

43913052 is an abundant number, since it is smaller than the sum of its proper divisors (67089476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43913052 is a wasteful number, since it uses less digits than its factorization.

43913052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219817 (or 1219812 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 43913052 is about 6626.6923876094. The cubic root of 43913052 is about 352.8021372138.

Adding to 43913052 its reverse (25031934), we get a palindrome (68944986).

The spelling of 43913052 in words is "forty-three million, nine hundred thirteen thousand, fifty-two".