42253293 has 4 divisors (see below), whose sum is σ = 56337728. Its totient is φ = 28168860.

The previous prime is 42253291. The next prime is 42253333. The reversal of 42253293 is 39235224.

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 not a de Polignac number, because 42253293 - 2¹ = 42253291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42253293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42253291) 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, 7042213 + ... + 7042218.

It is an arithmetic number, because the mean of its divisors is an integer number (14084432).

Almost surely, 2^42253293 is an apocalyptic number.

It is an amenable number.

42253293 is a deficient number, since it is larger than the sum of its proper divisors (14084435).

42253293 is a wasteful number, since it uses less digits than its factorization.

42253293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14084434.

The product of its digits is 12960, while the sum is 30.

The square root of 42253293 is about 6500.2533027567. The cubic root of 42253293 is about 348.3000368551.

The spelling of 42253293 in words is "forty-two million, two hundred fifty-three thousand, two hundred ninety-three".