42410661 has 4 divisors (see below), whose sum is σ = 56547552. Its totient is φ = 28273772.

The previous prime is 42410659. The next prime is 42410671. The reversal of 42410661 is 16601424.

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 42410661 - 2¹ = 42410659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42410651) 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, 7068441 + ... + 7068446.

It is an arithmetic number, because the mean of its divisors is an integer number (14136888).

Almost surely, 2^42410661 is an apocalyptic number.

It is an amenable number.

42410661 is a deficient number, since it is larger than the sum of its proper divisors (14136891).

42410661 is a wasteful number, since it uses less digits than its factorization.

42410661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14136890.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 42410661 is about 6512.3468120179. The cubic root of 42410661 is about 348.7319035843.

It can be divided in two parts, 42410 and 661, that added together give a triangular number (43071 = T₂₉₃).

The spelling of 42410661 in words is "forty-two million, four hundred ten thousand, six hundred sixty-one".