42250537 has 8 divisors (see below), whose sum is σ = 48540672. Its totient is φ = 36024000.

The previous prime is 42250531. The next prime is 42250577. The reversal of 42250537 is 73505224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42250537 - 2⁷ = 42250409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42250531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14464 + ... + 17137.

It is an arithmetic number, because the mean of its divisors is an integer number (6067584).

Almost surely, 2^42250537 is an apocalyptic number.

It is an amenable number.

42250537 is a deficient number, since it is larger than the sum of its proper divisors (6290135).

42250537 is a wasteful number, since it uses less digits than its factorization.

42250537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31799.

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

The square root of 42250537 is about 6500.0413075611. The cubic root of 42250537 is about 348.2924639876.

The spelling of 42250537 in words is "forty-two million, two hundred fifty thousand, five hundred thirty-seven".