42153513 has 4 divisors (see below), whose sum is σ = 56204688. Its totient is φ = 28102340.

The previous prime is 42153493. The next prime is 42153541. The reversal of 42153513 is 31535124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42153513 - 2¹⁰ = 42152489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42153563) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7025583 + ... + 7025588.

It is an arithmetic number, because the mean of its divisors is an integer number (14051172).

Almost surely, 2^42153513 is an apocalyptic number.

It is an amenable number.

42153513 is a deficient number, since it is larger than the sum of its proper divisors (14051175).

42153513 is a wasteful number, since it uses less digits than its factorization.

42153513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14051174.

The product of its digits is 1800, while the sum is 24.

The square root of 42153513 is about 6492.5736807525. The cubic root of 42153513 is about 348.0256537436.

Adding to 42153513 its reverse (31535124), we get a palindrome (73688637).

The spelling of 42153513 in words is "forty-two million, one hundred fifty-three thousand, five hundred thirteen".