513061 has 4 divisors (see below), whose sum is σ = 535392. Its totient is φ = 490732.

The previous prime is 513059. The next prime is 513067. The reversal of 513061 is 160315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 160315 = 5 ⋅32063.

It is a cyclic number.

It is not a de Polignac number, because 513061 - 2¹ = 513059 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 (513067) 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, 11131 + ... + 11176.

It is an arithmetic number, because the mean of its divisors is an integer number (133848).

2⁵¹³⁰⁶¹ is an apocalyptic number.

It is an amenable number.

513061 is a deficient number, since it is larger than the sum of its proper divisors (22331).

513061 is a wasteful number, since it uses less digits than its factorization.

513061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22330.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 513061 is about 716.2827653937. The cubic root of 513061 is about 80.0552222891.

Adding to 513061 its reverse (160315), we get a palindrome (673376).

The spelling of 513061 in words is "five hundred thirteen thousand, sixty-one".