42097282 has 4 divisors (see below), whose sum is σ = 63145926. Its totient is φ = 21048640.

The previous prime is 42097277. The next prime is 42097303. The reversal of 42097282 is 28279024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 37564641 + 4532641 = 6129^2 + 2129^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10524319 + ... + 10524322.

Almost surely, 2^42097282 is an apocalyptic number.

42097282 is a deficient number, since it is larger than the sum of its proper divisors (21048644).

42097282 is a wasteful number, since it uses less digits than its factorization.

42097282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21048643.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 42097282 is about 6488.2418265660. The cubic root of 42097282 is about 347.8708343911.

The spelling of 42097282 in words is "forty-two million, ninety-seven thousand, two hundred eighty-two".