42630515 has 8 divisors (see below), whose sum is σ = 51229248. Its totient is φ = 34056000.

The previous prime is 42630503. The next prime is 42630527. The reversal of 42630515 is 51503624.

It is an interprime number because it is at equal distance from previous prime (42630503) and next prime (42630527).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42630515 - 2⁴ = 42630499 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1922 + ... + 9431.

It is an arithmetic number, because the mean of its divisors is an integer number (6403656).

Almost surely, 2^42630515 is an apocalyptic number.

42630515 is a deficient number, since it is larger than the sum of its proper divisors (8598733).

42630515 is a wasteful number, since it uses less digits than its factorization.

42630515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12109.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 42630515 is about 6529.2047754684. The cubic root of 42630515 is about 349.3334661643. Note that the first 3 decimals are identical.

The spelling of 42630515 in words is "forty-two million, six hundred thirty thousand, five hundred fifteen".