503752395457 has 4 divisors (see below), whose sum is σ = 503754075220. Its totient is φ = 503750715696.

The previous prime is 503752395437. The next prime is 503752395469. The reversal of 503752395457 is 754593257305.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 317189734416 + 186562661041 = 563196^2 + 431929^2 .

It is a cyclic number.

It is not a de Polignac number, because 503752395457 - 2¹¹ = 503752393409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 503752395398 and 503752395407.

It is not an unprimeable number, because it can be changed into a prime (503752395437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253638 + ... + 1035295.

It is an arithmetic number, because the mean of its divisors is an integer number (125938518805).

Almost surely, 2^503752395457 is an apocalyptic number.

It is an amenable number.

503752395457 is a deficient number, since it is larger than the sum of its proper divisors (1679763).

503752395457 is a wasteful number, since it uses less digits than its factorization.

503752395457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679762.

The product of its (nonzero) digits is 19845000, while the sum is 55.

The spelling of 503752395457 in words is "five hundred three billion, seven hundred fifty-two million, three hundred ninety-five thousand, four hundred fifty-seven".