505453013 has 8 divisors (see below), whose sum is σ = 546055608. Its totient is φ = 465096384.

The previous prime is 505453001. The next prime is 505453031. The reversal of 505453013 is 310354505.

It can be written as a sum of positive squares in 4 ways, for example, as 55249489 + 450203524 = 7433^2 + 21218^2 .

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 505453013 - 2¹⁴ = 505436629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505453513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57206 + ... + 65447.

It is an arithmetic number, because the mean of its divisors is an integer number (68256951).

Almost surely, 2^505453013 is an apocalyptic number.

It is an amenable number.

505453013 is a deficient number, since it is larger than the sum of its proper divisors (40602595).

505453013 is a wasteful number, since it uses less digits than its factorization.

505453013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122983.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 505453013 is about 22482.2822017695. The cubic root of 505453013 is about 796.5754726198.

The spelling of 505453013 in words is "five hundred five million, four hundred fifty-three thousand, thirteen".