42961513 has 8 divisors (see below), whose sum is σ = 49347200. Its totient is φ = 36637920.

The previous prime is 42961511. The next prime is 42961517. The reversal of 42961513 is 31516924.

42961513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42961513 - 2¹ = 42961511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42961511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14028 + ... + 16813.

It is an arithmetic number, because the mean of its divisors is an integer number (6168400).

Almost surely, 2^42961513 is an apocalyptic number.

It is an amenable number.

42961513 is a deficient number, since it is larger than the sum of its proper divisors (6385687).

42961513 is a wasteful number, since it uses less digits than its factorization.

42961513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31047.

The product of its digits is 6480, while the sum is 31.

The square root of 42961513 is about 6554.5032611175. The cubic root of 42961513 is about 350.2352513649.

The spelling of 42961513 in words is "forty-two million, nine hundred sixty-one thousand, five hundred thirteen".