42513741 has 20 divisors (see below), whose sum is σ = 65560704. Its totient is φ = 27426600.

The previous prime is 42513733. The next prime is 42513769. The reversal of 42513741 is 14731524.

It is not a de Polignac number, because 42513741 - 2³ = 42513733 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42513701) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5955 + ... + 10976.

Almost surely, 2^42513741 is an apocalyptic number.

It is an amenable number.

42513741 is a deficient number, since it is larger than the sum of its proper divisors (23046963).

42513741 is a wasteful number, since it uses less digits than its factorization.

42513741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16974 (or 16965 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 42513741 is about 6520.2562066226. The cubic root of 42513741 is about 349.0142083908.

The spelling of 42513741 in words is "forty-two million, five hundred thirteen thousand, seven hundred forty-one".