42346651 has 4 divisors (see below), whose sum is σ = 43712704. Its totient is φ = 40980600.

The previous prime is 42346639. The next prime is 42346669. The reversal of 42346651 is 15664324.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42346651 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 1366021 = 42346651 / (4 + 2 + 3 + 4 + 6 + 6 + 5 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42346621) 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, 682980 + ... + 683041.

It is an arithmetic number, because the mean of its divisors is an integer number (10928176).

Almost surely, 2^42346651 is an apocalyptic number.

42346651 is a deficient number, since it is larger than the sum of its proper divisors (1366053).

42346651 is a wasteful number, since it uses less digits than its factorization.

42346651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366052.

The product of its digits is 17280, while the sum is 31.

The square root of 42346651 is about 6507.4304452679. The cubic root of 42346651 is about 348.5563693488.

It can be divided in two parts, 423 and 46651, that added together give a palindrome (47074).

The spelling of 42346651 in words is "forty-two million, three hundred forty-six thousand, six hundred fifty-one".