42036257 has 8 divisors (see below), whose sum is σ = 44942976. Its totient is φ = 39177792.

The previous prime is 42036221. The next prime is 42036271. The reversal of 42036257 is 75263024.

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

It is not a de Polignac number, because 42036257 - 2²⁴ = 25259041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42036277) 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, 10253 + ... + 13754.

It is an arithmetic number, because the mean of its divisors is an integer number (5617872).

Almost surely, 2^42036257 is an apocalyptic number.

It is an amenable number.

42036257 is a deficient number, since it is larger than the sum of its proper divisors (2906719).

42036257 is a wasteful number, since it uses less digits than its factorization.

42036257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24127.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 42036257 is about 6483.5373832500. The cubic root of 42036257 is about 347.7026597662.

The spelling of 42036257 in words is "forty-two million, thirty-six thousand, two hundred fifty-seven".