5321513 has 4 divisors (see below), whose sum is σ = 5451348. Its totient is φ = 5191680.

The previous prime is 5321507. The next prime is 5321593. The reversal of 5321513 is 3151235.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3151235 = 5 ⋅630247.

It can be written as a sum of positive squares in 2 ways, for example, as 2181529 + 3139984 = 1477^2 + 1772^2 .

It is a cyclic number.

It is not a de Polignac number, because 5321513 - 2⁴ = 5321497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5321593) 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, 64856 + ... + 64937.

It is an arithmetic number, because the mean of its divisors is an integer number (1362837).

Almost surely, 2^5321513 is an apocalyptic number.

It is an amenable number.

5321513 is a deficient number, since it is larger than the sum of its proper divisors (129835).

5321513 is a wasteful number, since it uses less digits than its factorization.

5321513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129834.

The product of its digits is 450, while the sum is 20.

The square root of 5321513 is about 2306.8404799639. The cubic root of 5321513 is about 174.5869223191.

Adding to 5321513 its reverse (3151235), we get a palindrome (8472748).

The spelling of 5321513 in words is "five million, three hundred twenty-one thousand, five hundred thirteen".