42013349 has 4 divisors (see below), whose sum is σ = 48015264. Its totient is φ = 36011436.

The previous prime is 42013343. The next prime is 42013393. The reversal of 42013349 is 94331024.

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 42013349 - 2⁴ = 42013333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42013343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3000947 + ... + 3000960.

It is an arithmetic number, because the mean of its divisors is an integer number (12003816).

Almost surely, 2^42013349 is an apocalyptic number.

It is an amenable number.

42013349 is a deficient number, since it is larger than the sum of its proper divisors (6001915).

42013349 is an equidigital number, since it uses as much as digits as its factorization.

42013349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6001914.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 42013349 is about 6481.7705142962. The cubic root of 42013349 is about 347.6394871589.

The spelling of 42013349 in words is "forty-two million, thirteen thousand, three hundred forty-nine".