503235442 has 16 divisors (see below), whose sum is σ = 761675040. Its totient is φ = 249352992.

The previous prime is 503235419. The next prime is 503235457. The reversal of 503235442 is 244532305.

It is a self number, because there is not a number n which added to its sum of digits gives 503235442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121518 + ... + 125590.

It is an arithmetic number, because the mean of its divisors is an integer number (47604690).

Almost surely, 2^503235442 is an apocalyptic number.

503235442 is a deficient number, since it is larger than the sum of its proper divisors (258439598).

503235442 is a wasteful number, since it uses less digits than its factorization.

503235442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4617.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 503235442 is about 22432.9097978840. The cubic root of 503235442 is about 795.4088278693.

Adding to 503235442 its reverse (244532305), we get a palindrome (747767747).

The spelling of 503235442 in words is "five hundred three million, two hundred thirty-five thousand, four hundred forty-two".