42532615 has 8 divisors (see below), whose sum is σ = 51545088. Its totient is φ = 33688800.

The previous prime is 42532601. The next prime is 42532619. The reversal of 42532615 is 51623524.

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

It is not a de Polignac number, because 42532615 - 2²⁵ = 8978183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42532619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41607 + ... + 42616.

It is an arithmetic number, because the mean of its divisors is an integer number (6443136).

Almost surely, 2^42532615 is an apocalyptic number.

42532615 is a deficient number, since it is larger than the sum of its proper divisors (9012473).

42532615 is a wasteful number, since it uses less digits than its factorization.

42532615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84329.

The product of its digits is 7200, while the sum is 28.

The square root of 42532615 is about 6521.7033817861. The cubic root of 42532615 is about 349.0658491031.

Subtracting 42532615 from its reverse (51623524), we obtain a palindrome (9090909).

The spelling of 42532615 in words is "forty-two million, five hundred thirty-two thousand, six hundred fifteen".