503353042 has 4 divisors (see below), whose sum is σ = 755029566. Its totient is φ = 251676520.

The previous prime is 503353027. The next prime is 503353061. The reversal of 503353042 is 240353305.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 282206401 + 221146641 = 16799^2 + 14871^2 .

It is a junction number, because it is equal to n+sod(n) for n = 503352998 and 503353016.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125838259 + ... + 125838262.

Almost surely, 2^503353042 is an apocalyptic number.

503353042 is a deficient number, since it is larger than the sum of its proper divisors (251676524).

503353042 is a wasteful number, since it uses less digits than its factorization.

503353042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251676523.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 503353042 is about 22435.5307938101. The cubic root of 503353042 is about 795.4707821653.

The spelling of 503353042 in words is "five hundred three million, three hundred fifty-three thousand, forty-two".