42537115 has 16 divisors (see below), whose sum is σ = 53821440. Its totient is φ = 32225760.

The previous prime is 42537107. The next prime is 42537137. The reversal of 42537115 is 51173524.

It is a happy number.

It is not a de Polignac number, because 42537115 - 2³ = 42537107 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4366 + ... + 10204.

It is an arithmetic number, because the mean of its divisors is an integer number (3363840).

Almost surely, 2^42537115 is an apocalyptic number.

42537115 is a deficient number, since it is larger than the sum of its proper divisors (11284325).

42537115 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (42537114) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (5922).

42537115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5922.

The product of its digits is 4200, while the sum is 28.

The square root of 42537115 is about 6522.0483745523. The cubic root of 42537115 is about 349.0781591929.

The spelling of 42537115 in words is "forty-two million, five hundred thirty-seven thousand, one hundred fifteen".