42253115 has 4 divisors (see below), whose sum is σ = 50703744. Its totient is φ = 33802488.

The previous prime is 42253097. The next prime is 42253153. The reversal of 42253115 is 51135224.

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

It is a cyclic number.

It is not a de Polignac number, because 42253115 - 2⁶ = 42253051 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4225307 + ... + 4225316.

It is an arithmetic number, because the mean of its divisors is an integer number (12675936).

Almost surely, 2^42253115 is an apocalyptic number.

42253115 is a deficient number, since it is larger than the sum of its proper divisors (8450629).

42253115 is an equidigital number, since it uses as much as digits as its factorization.

42253115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8450628.

The product of its digits is 1200, while the sum is 23.

The square root of 42253115 is about 6500.2396109682. The cubic root of 42253115 is about 348.2995477611.

Adding to 42253115 its reverse (51135224), we get a palindrome (93388339).

The spelling of 42253115 in words is "forty-two million, two hundred fifty-three thousand, one hundred fifteen".