42373251 has 12 divisors (see below), whose sum is σ = 62860512. Its totient is φ = 27485136.

The previous prime is 42373217. The next prime is 42373259. The reversal of 42373251 is 15237324.

42373251 is a `hidden beast` number, since 42 + 373 + 251 = 666.

It is not a de Polignac number, because 42373251 - 2²⁵ = 8818819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42373259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63291 + ... + 63956.

It is an arithmetic number, because the mean of its divisors is an integer number (5238376).

Almost surely, 2^42373251 is an apocalyptic number.

42373251 is a deficient number, since it is larger than the sum of its proper divisors (20487261).

42373251 is a wasteful number, since it uses less digits than its factorization.

42373251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127290 (or 127287 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 42373251 is about 6509.4739418789. The cubic root of 42373251 is about 348.6293358335.

It can be divided in two parts, 42373 and 251, that added together give a palindrome (42624).

The spelling of 42373251 in words is "forty-two million, three hundred seventy-three thousand, two hundred fifty-one".