503146490 has 64 divisors (see below), whose sum is σ = 1150536960. Its totient is φ = 153853440.

The previous prime is 503146487. The next prime is 503146493. The reversal of 503146490 is 94641305.

It is an interprime number because it is at equal distance from previous prime (503146487) and next prime (503146493).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (503146493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34646 + ... + 46974.

It is an arithmetic number, because the mean of its divisors is an integer number (17977140).

Almost surely, 2^503146490 is an apocalyptic number.

503146490 is an abundant number, since it is smaller than the sum of its proper divisors (647390470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

503146490 is a wasteful number, since it uses less digits than its factorization.

503146490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12407.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 503146490 is about 22430.9270873943. The cubic root of 503146490 is about 795.3619595651.

Adding to 503146490 its reverse (94641305), we get a palindrome (597787795).

The spelling of 503146490 in words is "five hundred three million, one hundred forty-six thousand, four hundred ninety".