42253129 has 8 divisors (see below), whose sum is σ = 42824160. Its totient is φ = 41686176.

The previous prime is 42253097. The next prime is 42253153. The reversal of 42253129 is 92135224.

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 42253129 - 2⁵ = 42253097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42253097 and 42253106.

It is not an unprimeable number, because it can be changed into a prime (42253199) 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, 23662 + ... + 25384.

It is an arithmetic number, because the mean of its divisors is an integer number (5353020).

Almost surely, 2^42253129 is an apocalyptic number.

It is an amenable number.

42253129 is a deficient number, since it is larger than the sum of its proper divisors (571031).

42253129 is a wasteful number, since it uses less digits than its factorization.

42253129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039.

The product of its digits is 4320, while the sum is 28.

The square root of 42253129 is about 6500.2406878515. The cubic root of 42253129 is about 348.2995862292.

The spelling of 42253129 in words is "forty-two million, two hundred fifty-three thousand, one hundred twenty-nine".