5205531 has 8 divisors (see below), whose sum is σ = 6951744. Its totient is φ = 3464840.

The previous prime is 5205527. The next prime is 5205539. The reversal of 5205531 is 1355025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5205531 - 2² = 5205527 is a prime.

It is a super-2 number, since 2×5205531² = 54195105983922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5205498 and 5205507.

It is not an unprimeable number, because it can be changed into a prime (5205539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2020 + ... + 3806.

It is an arithmetic number, because the mean of its divisors is an integer number (868968).

Almost surely, 2^5205531 is an apocalyptic number.

5205531 is a deficient number, since it is larger than the sum of its proper divisors (1746213).

5205531 is a wasteful number, since it uses less digits than its factorization.

5205531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2761.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 5205531 is about 2281.5632798588. The cubic root of 5205531 is about 173.3092245397.

The spelling of 5205531 in words is "five million, two hundred five thousand, five hundred thirty-one".