42347513 has 12 divisors (see below), whose sum is σ = 46423440. Its totient is φ = 38606256.

The previous prime is 42347509. The next prime is 42347521. The reversal of 42347513 is 31574324.

It is a happy number.

It is not a de Polignac number, because 42347513 - 2² = 42347509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42347213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12518 + ... + 15536.

It is an arithmetic number, because the mean of its divisors is an integer number (3868620).

Almost surely, 2^42347513 is an apocalyptic number.

It is an amenable number.

42347513 is a deficient number, since it is larger than the sum of its proper divisors (4075927).

42347513 is a wasteful number, since it uses less digits than its factorization.

42347513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128 (or 3115 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 42347513 is about 6507.4966769104. The cubic root of 42347513 is about 348.5587343808.

The spelling of 42347513 in words is "forty-two million, three hundred forty-seven thousand, five hundred thirteen".