5210661 has 8 divisors (see below), whose sum is σ = 6977344. Its totient is φ = 3458880.

The previous prime is 5210651. The next prime is 5210669. The reversal of 5210661 is 1660125.

It is a happy number.

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

It is not a de Polignac number, because 5210661 - 2⁵ = 5210629 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 (5210669) 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, 2881 + ... + 4326.

It is an arithmetic number, because the mean of its divisors is an integer number (872168).

Almost surely, 2^5210661 is an apocalyptic number.

It is an amenable number.

5210661 is a deficient number, since it is larger than the sum of its proper divisors (1766683).

5210661 is a wasteful number, since it uses less digits than its factorization.

5210661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7451.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 5210661 is about 2282.6872321893. The cubic root of 5210661 is about 173.3661373646.

Adding to 5210661 its reverse (1660125), we get a palindrome (6870786).

The spelling of 5210661 in words is "five million, two hundred ten thousand, six hundred sixty-one".