52525511 has 4 divisors (see below), whose sum is σ = 52540992. Its totient is φ = 52510032.

The previous prime is 52525493. The next prime is 52525541. The reversal of 52525511 is 11552525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52525511 is a prime.

It is a super-2 number, since 2×52525511² = 5517858611622242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52525541) 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, 206 + ... + 10251.

It is an arithmetic number, because the mean of its divisors is an integer number (13135248).

Almost surely, 2^52525511 is an apocalyptic number.

52525511 is a deficient number, since it is larger than the sum of its proper divisors (15481).

52525511 is a wasteful number, since it uses less digits than its factorization.

52525511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15480.

The product of its digits is 2500, while the sum is 26.

The square root of 52525511 is about 7247.4485855368. The cubic root of 52525511 is about 374.5042598964.

The spelling of 52525511 in words is "fifty-two million, five hundred twenty-five thousand, five hundred eleven".