503115442 has 16 divisors (see below), whose sum is σ = 806402520. Its totient is φ = 234586368.

The previous prime is 503115439. The next prime is 503115463. The reversal of 503115442 is 244511305.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 422672481 + 80442961 = 20559^2 + 8969^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64173 + ... + 71584.

Almost surely, 2^503115442 is an apocalyptic number.

503115442 is a deficient number, since it is larger than the sum of its proper divisors (303287078).

503115442 is a wasteful number, since it uses less digits than its factorization.

503115442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135885.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 503115442 is about 22430.2349965398. The cubic root of 503115442 is about 795.3455992495.

Adding to 503115442 its reverse (244511305), we get a palindrome (747626747).

The spelling of 503115442 in words is "five hundred three million, one hundred fifteen thousand, four hundred forty-two".