503694245 has 8 divisors (see below), whose sum is σ = 615837816. Its totient is φ = 395352256.

The previous prime is 503694229. The next prime is 503694251. The reversal of 503694245 is 542496305.

It can be written as a sum of positive squares in 4 ways, for example, as 258019969 + 245674276 = 16063^2 + 15674^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 503694245 - 2⁴ = 503694229 is a prime.

It is a super-2 number, since 2×503694245² = 507415784892240050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 503694199 and 503694208.

It is a congruent number.

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, 950102 + ... + 950631.

It is an arithmetic number, because the mean of its divisors is an integer number (76979727).

Almost surely, 2^503694245 is an apocalyptic number.

It is an amenable number.

503694245 is a deficient number, since it is larger than the sum of its proper divisors (112143571).

503694245 is a wasteful number, since it uses less digits than its factorization.

503694245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900791.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 503694245 is about 22443.1335824568. The cubic root of 503694245 is about 795.6504808991.

The spelling of 503694245 in words is "five hundred three million, six hundred ninety-four thousand, two hundred forty-five".