42412577 has 4 divisors (see below), whose sum is σ = 43398960. Its totient is φ = 41426196.

The previous prime is 42412549. The next prime is 42412583. The reversal of 42412577 is 77521424.

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 a de Polignac number, because none of the positive numbers 2^k-42412577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42412537) 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, 493127 + ... + 493212.

It is an arithmetic number, because the mean of its divisors is an integer number (10849740).

Almost surely, 2^42412577 is an apocalyptic number.

It is an amenable number.

42412577 is a deficient number, since it is larger than the sum of its proper divisors (986383).

42412577 is an equidigital number, since it uses as much as digits as its factorization.

42412577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986382.

The product of its digits is 15680, while the sum is 32.

The square root of 42412577 is about 6512.4939155442. The cubic root of 42412577 is about 348.7371550962.

The spelling of 42412577 in words is "forty-two million, four hundred twelve thousand, five hundred seventy-seven".