42650252 has 24 divisors (see below), whose sum is σ = 75701472. Its totient is φ = 21024000.

The previous prime is 42650249. The next prime is 42650261. The reversal of 42650252 is 25205624.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145418 + ... + 145710.

It is an arithmetic number, because the mean of its divisors is an integer number (3154228).

Almost surely, 2^42650252 is an apocalyptic number.

It is an amenable number.

42650252 is a deficient number, since it is larger than the sum of its proper divisors (33051220).

42650252 is a wasteful number, since it uses less digits than its factorization.

42650252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 42650252 is about 6530.7160403741. The cubic root of 42650252 is about 349.3873691088.

Adding to 42650252 its reverse (25205624), we get a palindrome (67855876).

The spelling of 42650252 in words is "forty-two million, six hundred fifty thousand, two hundred fifty-two".