503250705 has 32 divisors (see below), whose sum is σ = 895804800. Its totient is φ = 268059456.

The previous prime is 503250697. The next prime is 503250743. The reversal of 503250705 is 507052305.

It is not a de Polignac number, because 503250705 - 2³ = 503250697 is a prime.

It is a super-2 number, since 2×503250705² = 506522544165994050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132726 + ... + 136464.

It is an arithmetic number, because the mean of its divisors is an integer number (27993900).

Almost surely, 2^503250705 is an apocalyptic number.

503250705 is the 11217-th decagonal number.

It is an amenable number.

503250705 is a deficient number, since it is larger than the sum of its proper divisors (392554095).

503250705 is a wasteful number, since it uses less digits than its factorization.

503250705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4750 (or 4744 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 503250705 is about 22433.2499874628. The cubic root of 503250705 is about 795.4168693022.

The spelling of 503250705 in words is "five hundred three million, two hundred fifty thousand, seven hundred five".