40537043 has 2 divisors, whose sum is σ = 40537044. Its totient is φ = 40537042.

The previous prime is 40537037. The next prime is 40537073. The reversal of 40537043 is 34073504.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40537043 is a prime.

It is equal to p_2464370 and since 40537043 and 2464370 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (40537073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20268521 + 20268522.

It is an arithmetic number, because the mean of its divisors is an integer number (20268522).

Almost surely, 2^40537043 is an apocalyptic number.

40537043 is a deficient number, since it is larger than the sum of its proper divisors (1).

40537043 is an equidigital number, since it uses as much as digits as its factorization.

40537043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 40537043 is about 6366.8707384397. The cubic root of 40537043 is about 343.5189412307.

The spelling of 40537043 in words is "forty million, five hundred thirty-seven thousand, forty-three".