513650045 has 4 divisors (see below), whose sum is σ = 616380060. Its totient is φ = 410920032.

The previous prime is 513650029. The next prime is 513650051. The reversal of 513650045 is 540056315.

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 253892356 + 259757689 = 15934^2 + 16117^2 .

It is a cyclic number.

It is not a de Polignac number, because 513650045 - 2⁴ = 513650029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51365000 + ... + 51365009.

It is an arithmetic number, because the mean of its divisors is an integer number (154095015).

Almost surely, 2^513650045 is an apocalyptic number.

It is an amenable number.

513650045 is a deficient number, since it is larger than the sum of its proper divisors (102730015).

513650045 is a wasteful number, since it uses less digits than its factorization.

513650045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102730014.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 513650045 is about 22663.8488567145. The cubic root of 513650045 is about 800.8584768798.

The spelling of 513650045 in words is "five hundred thirteen million, six hundred fifty thousand, forty-five".