42520850 has 12 divisors (see below), whose sum is σ = 79088874. Its totient is φ = 17008320.

The previous prime is 42520847. The next prime is 42520889. The reversal of 42520850 is 5802524.

It can be written as a sum of positive squares in 3 ways, for example, as 17048641 + 25472209 = 4129^2 + 5047^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 425159 + ... + 425258.

Almost surely, 2^42520850 is an apocalyptic number.

42520850 is a deficient number, since it is larger than the sum of its proper divisors (36568024).

42520850 is a wasteful number, since it uses less digits than its factorization.

42520850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850429 (or 850424 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 42520850 is about 6520.8013311249. The cubic root of 42520850 is about 349.0336609542.

The spelling of 42520850 in words is "forty-two million, five hundred twenty thousand, eight hundred fifty".