61624043 has 16 divisors (see below), whose sum is σ = 69054720. Its totient is φ = 54601344.

The previous prime is 61624037. The next prime is 61624051. The reversal of 61624043 is 34042616.

It is a cyclic number.

It is not a de Polignac number, because 61624043 - 2⁶ = 61623979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61624093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83705 + ... + 84437.

It is an arithmetic number, because the mean of its divisors is an integer number (4315920).

Almost surely, 2^61624043 is an apocalyptic number.

61624043 is a deficient number, since it is larger than the sum of its proper divisors (7430677).

61624043 is a wasteful number, since it uses less digits than its factorization.

61624043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 61624043 is about 7850.0982796396. The cubic root of 61624043 is about 394.9875400652.

Adding to 61624043 its reverse (34042616), we get a palindrome (95666659).

The spelling of 61624043 in words is "sixty-one million, six hundred twenty-four thousand, forty-three".