42793253 has 4 divisors (see below), whose sum is σ = 42829248. Its totient is φ = 42757260.

The previous prime is 42793243. The next prime is 42793277. The reversal of 42793253 is 35239724.

42793253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42793253 - 2²² = 38598949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42793243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16151 + ... + 18612.

It is an arithmetic number, because the mean of its divisors is an integer number (10707312).

Almost surely, 2^42793253 is an apocalyptic number.

It is an amenable number.

42793253 is a deficient number, since it is larger than the sum of its proper divisors (35995).

42793253 is a wasteful number, since it uses less digits than its factorization.

42793253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35994.

The product of its digits is 45360, while the sum is 35.

The square root of 42793253 is about 6541.6552186736. The cubic root of 42793253 is about 349.7774176625. Note that the first 3 decimals are identical.

The spelling of 42793253 in words is "forty-two million, seven hundred ninety-three thousand, two hundred fifty-three".