42612959 has 4 divisors (see below), whose sum is σ = 42643104. Its totient is φ = 42582816.

The previous prime is 42612949. The next prime is 42612961. The reversal of 42612959 is 95921624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42612959 - 2²⁴ = 25835743 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 (42612929) 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, 12842 + ... + 15815.

It is an arithmetic number, because the mean of its divisors is an integer number (10660776).

Almost surely, 2^42612959 is an apocalyptic number.

42612959 is a deficient number, since it is larger than the sum of its proper divisors (30145).

42612959 is a wasteful number, since it uses less digits than its factorization.

42612959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30144.

The product of its digits is 38880, while the sum is 38.

The square root of 42612959 is about 6527.8602160279. The cubic root of 42612959 is about 349.2855056803.

The spelling of 42612959 in words is "forty-two million, six hundred twelve thousand, nine hundred fifty-nine".