42952318 has 4 divisors (see below), whose sum is σ = 64428480. Its totient is φ = 21476158.

The previous prime is 42952309. The next prime is 42952337. The reversal of 42952318 is 81325924.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10738078 + ... + 10738081.

It is an arithmetic number, because the mean of its divisors is an integer number (16107120).

Almost surely, 2^42952318 is an apocalyptic number.

42952318 is a deficient number, since it is larger than the sum of its proper divisors (21476162).

42952318 is a wasteful number, since it uses less digits than its factorization.

42952318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21476161.

The product of its digits is 17280, while the sum is 34.

The square root of 42952318 is about 6553.8017974303. The cubic root of 42952318 is about 350.2102627748.

It can be divided in two parts, 429 and 52318, that multiplied together give a palindrome (22444422).

The spelling of 42952318 in words is "forty-two million, nine hundred fifty-two thousand, three hundred eighteen".