42819053 has 4 divisors (see below), whose sum is σ = 43146048. Its totient is φ = 42492060.

The previous prime is 42819043. The next prime is 42819059. The reversal of 42819053 is 35091824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42819053 - 2⁴ = 42819037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42819059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163301 + ... + 163562.

It is an arithmetic number, because the mean of its divisors is an integer number (10786512).

Almost surely, 2^42819053 is an apocalyptic number.

It is an amenable number.

42819053 is a deficient number, since it is larger than the sum of its proper divisors (326995).

42819053 is a wasteful number, since it uses less digits than its factorization.

42819053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326994.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 42819053 is about 6543.6268995107. The cubic root of 42819053 is about 349.8476970001.

The spelling of 42819053 in words is "forty-two million, eight hundred nineteen thousand, fifty-three".