42852506 has 4 divisors (see below), whose sum is σ = 64278762. Its totient is φ = 21426252.

The previous prime is 42852493. The next prime is 42852559. The reversal of 42852506 is 60525824.

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., 28526281 + 14326225 = 5341^2 + 3785^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10713125 + ... + 10713128.

Almost surely, 2^42852506 is an apocalyptic number.

42852506 is a deficient number, since it is larger than the sum of its proper divisors (21426256).

42852506 is a wasteful number, since it uses less digits than its factorization.

42852506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21426255.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 42852506 is about 6546.1825516861. The cubic root of 42852506 is about 349.9387811295.

The spelling of 42852506 in words is "forty-two million, eight hundred fifty-two thousand, five hundred six".