4045537 has 4 divisors (see below), whose sum is σ = 4258480. Its totient is φ = 3832596.

The previous prime is 4045523. The next prime is 4045549. The reversal of 4045537 is 7355404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4045537 - 2¹¹ = 4043489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4045567) 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, 106443 + ... + 106480.

It is an arithmetic number, because the mean of its divisors is an integer number (1064620).

Almost surely, 2^4045537 is an apocalyptic number.

It is an amenable number.

4045537 is a deficient number, since it is larger than the sum of its proper divisors (212943).

4045537 is a wasteful number, since it uses less digits than its factorization.

4045537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212942.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 4045537 is about 2011.3520328376. The cubic root of 4045537 is about 159.3402126817.

The spelling of 4045537 in words is "four million, forty-five thousand, five hundred thirty-seven".