42252919 has 8 divisors (see below), whose sum is σ = 43479072. Its totient is φ = 41036160.

The previous prime is 42252901. The next prime is 42252923. The reversal of 42252919 is 91925224.

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

It is a cyclic number.

It is not a de Polignac number, because 42252919 - 2⁵ = 42252887 is a prime.

It is a super-2 number, since 2×42252919² = 3570618328041122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42252929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7342 + ... + 11764.

It is an arithmetic number, because the mean of its divisors is an integer number (5434884).

Almost surely, 2^42252919 is an apocalyptic number.

42252919 is a deficient number, since it is larger than the sum of its proper divisors (1226153).

42252919 is a wasteful number, since it uses less digits than its factorization.

42252919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4697.

The product of its digits is 12960, while the sum is 34.

The square root of 42252919 is about 6500.2245345834. The cubic root of 42252919 is about 348.2990092066.

The spelling of 42252919 in words is "forty-two million, two hundred fifty-two thousand, nine hundred nineteen".