503040645245 has 8 divisors (see below), whose sum is σ = 603653506560. Its totient is φ = 402429361360.

The previous prime is 503040645221. The next prime is 503040645299. The reversal of 503040645245 is 542546040305.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 503040645245 - 2¹⁸ = 503040383101 is a prime.

It is a super-2 number, since 2×503040645245² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 503040645199 and 503040645208.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 485816 + ... + 1114494.

It is an arithmetic number, because the mean of its divisors is an integer number (75456688320).

Almost surely, 2^503040645245 is an apocalyptic number.

It is an amenable number.

503040645245 is a deficient number, since it is larger than the sum of its proper divisors (100612861315).

503040645245 is a wasteful number, since it uses less digits than its factorization.

503040645245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788715.

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 503040645245 in words is "five hundred three billion, forty million, six hundred forty-five thousand, two hundred forty-five".