42513045 has 8 divisors (see below), whose sum is σ = 68020896. Its totient is φ = 22673616.

The previous prime is 42513017. The next prime is 42513067. The reversal of 42513045 is 54031524.

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

It is not a de Polignac number, because 42513045 - 2⁷ = 42512917 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1417087 + ... + 1417116.

It is an arithmetic number, because the mean of its divisors is an integer number (8502612).

Almost surely, 2^42513045 is an apocalyptic number.

It is an amenable number.

42513045 is a deficient number, since it is larger than the sum of its proper divisors (25507851).

42513045 is a wasteful number, since it uses less digits than its factorization.

42513045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834211.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 42513045 is about 6520.2028342683. The cubic root of 42513045 is about 349.0123037892.

Adding to 42513045 its reverse (54031524), we get a palindrome (96544569).

The spelling of 42513045 in words is "forty-two million, five hundred thirteen thousand, forty-five".