232513503 has 16 divisors (see below), whose sum is σ = 321131520. Its totient is φ = 149466464.

The previous prime is 232513499. The next prime is 232513537. The reversal of 232513503 is 305315232.

It is a happy number.

It is not a de Polignac number, because 232513503 - 2² = 232513499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232513553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94750 + ... + 97172.

It is an arithmetic number, because the mean of its divisors is an integer number (20070720).

Almost surely, 2^232513503 is an apocalyptic number.

232513503 is a deficient number, since it is larger than the sum of its proper divisors (88618017).

232513503 is a wasteful number, since it uses less digits than its factorization.

232513503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 232513503 is about 15248.3934563612. The cubic root of 232513503 is about 614.9163770233.

Adding to 232513503 its reverse (305315232), we get a palindrome (537828735).

The spelling of 232513503 in words is "two hundred thirty-two million, five hundred thirteen thousand, five hundred three".