42253015 has 16 divisors (see below), whose sum is σ = 58079232. Its totient is φ = 28907424.

The previous prime is 42253009. The next prime is 42253021. The reversal of 42253015 is 51035224.

It is an interprime number because it is at equal distance from previous prime (42253009) and next prime (42253021).

It is not a de Polignac number, because 42253015 - 2⁷ = 42252887 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 18042 + ... + 20248.

It is an arithmetic number, because the mean of its divisors is an integer number (3629952).

Almost surely, 2^42253015 is an apocalyptic number.

42253015 is a deficient number, since it is larger than the sum of its proper divisors (15826217).

42253015 is a wasteful number, since it uses less digits than its factorization.

42253015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 42253015 is about 6500.2319189395. The cubic root of 42253015 is about 348.2992729886.

Adding to 42253015 its reverse (51035224), we get a palindrome (93288239).

The spelling of 42253015 in words is "forty-two million, two hundred fifty-three thousand, fifteen".