513422245 has 12 divisors (see below), whose sum is σ = 716695884. Its totient is φ = 352060800.

The previous prime is 513422243. The next prime is 513422269. The reversal of 513422245 is 542224315.

It can be written as a sum of positive squares in 2 ways, for example, as 233295076 + 280127169 = 15274^2 + 16737^2 .

It is not a de Polignac number, because 513422245 - 2¹ = 513422243 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 (513422243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1047556 + ... + 1048045.

It is an arithmetic number, because the mean of its divisors is an integer number (59724657).

Almost surely, 2^513422245 is an apocalyptic number.

It is an amenable number.

513422245 is a deficient number, since it is larger than the sum of its proper divisors (203273639).

513422245 is a wasteful number, since it uses less digits than its factorization.

513422245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095620 (or 2095613 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 513422245 is about 22658.8226746228. The cubic root of 513422245 is about 800.7400677677.

The spelling of 513422245 in words is "five hundred thirteen million, four hundred twenty-two thousand, two hundred forty-five".