52012517 has 4 divisors (see below), whose sum is σ = 52161900. Its totient is φ = 51863136.

The previous prime is 52012501. The next prime is 52012523. The reversal of 52012517 is 71521025.

It is a happy number.

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 24910081 + 27102436 = 4991^2 + 5206^2 .

It is a cyclic number.

It is not a de Polignac number, because 52012517 - 2⁴ = 52012501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52012492 and 52012501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52012577) 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, 74168 + ... + 74865.

It is an arithmetic number, because the mean of its divisors is an integer number (13040475).

Almost surely, 2^52012517 is an apocalyptic number.

It is an amenable number.

52012517 is a deficient number, since it is larger than the sum of its proper divisors (149383).

52012517 is a wasteful number, since it uses less digits than its factorization.

52012517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149382.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 52012517 is about 7211.9703965005. The cubic root of 52012517 is about 373.2810618958.

The spelling of 52012517 in words is "fifty-two million, twelve thousand, five hundred seventeen".