42503542 has 8 divisors (see below), whose sum is σ = 65812032. Its totient is φ = 20566200.

The previous prime is 42503533. The next prime is 42503561. The reversal of 42503542 is 24530524.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 342709 + ... + 342832.

It is an arithmetic number, because the mean of its divisors is an integer number (8226504).

Almost surely, 2^42503542 is an apocalyptic number.

42503542 is a deficient number, since it is larger than the sum of its proper divisors (23308490).

42503542 is a wasteful number, since it uses less digits than its factorization.

42503542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685574.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 42503542 is about 6519.4740585418. The cubic root of 42503542 is about 348.9862967830.

The spelling of 42503542 in words is "forty-two million, five hundred three thousand, five hundred forty-two".