42254915 has 16 divisors (see below), whose sum is σ = 51874560. Its totient is φ = 33032160.

The previous prime is 42254909. The next prime is 42254921. The reversal of 42254915 is 51945224.

It is an interprime number because it is at equal distance from previous prime (42254909) and next prime (42254921).

It is not a de Polignac number, because 42254915 - 2⁴ = 42254899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66650 + ... + 67280.

It is an arithmetic number, because the mean of its divisors is an integer number (3242160).

Almost surely, 2^42254915 is an apocalyptic number.

42254915 is a deficient number, since it is larger than the sum of its proper divisors (9619645).

42254915 is a wasteful number, since it uses less digits than its factorization.

42254915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922.

The product of its digits is 14400, while the sum is 32.

The square root of 42254915 is about 6500.3780659282. The cubic root of 42254915 is about 348.3044935920.

The spelling of 42254915 in words is "forty-two million, two hundred fifty-four thousand, nine hundred fifteen".