42501332 has 12 divisors (see below), whose sum is σ = 77611296. Its totient is φ = 20326680.

The previous prime is 42501311. The next prime is 42501359. The reversal of 42501332 is 23310524.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230894 + ... + 231077.

It is an arithmetic number, because the mean of its divisors is an integer number (6467608).

Almost surely, 2^42501332 is an apocalyptic number.

It is an amenable number.

42501332 is a deficient number, since it is larger than the sum of its proper divisors (35109964).

42501332 is a wasteful number, since it uses less digits than its factorization.

42501332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461998 (or 461996 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 42501332 is about 6519.3045641387. The cubic root of 42501332 is about 348.9802480865.

Adding to 42501332 its reverse (23310524), we get a palindrome (65811856).

The spelling of 42501332 in words is "forty-two million, five hundred one thousand, three hundred thirty-two".