42013250 has 32 divisors (see below), whose sum is σ = 79208064. Its totient is φ = 16686000.

The previous prime is 42013243. The next prime is 42013267. The reversal of 42013250 is 5231024.

It is a super-2 number, since 2×42013250² = 3530226351125000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40235 + ... + 41265.

It is an arithmetic number, because the mean of its divisors is an integer number (2475252).

Almost surely, 2^42013250 is an apocalyptic number.

42013250 is a deficient number, since it is larger than the sum of its proper divisors (37194814).

42013250 is a wasteful number, since it uses less digits than its factorization.

42013250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211 (or 1201 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 42013250 is about 6481.7628774894. The cubic root of 42013250 is about 347.6392141002.

Adding to 42013250 its reverse (5231024), we get a palindrome (47244274).

The spelling of 42013250 in words is "forty-two million, thirteen thousand, two hundred fifty".