5721610 has 8 divisors (see below), whose sum is σ = 10298916. Its totient is φ = 2288640.

The previous prime is 5721601. The next prime is 5721619. The reversal of 5721610 is 161275.

It is an interprime number because it is at equal distance from previous prime (5721601) and next prime (5721619).

It can be written as a sum of positive squares in 2 ways, for example, as 5257849 + 463761 = 2293^2 + 681^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5721619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286071 + ... + 286090.

Almost surely, 2^5721610 is an apocalyptic number.

5721610 is a deficient number, since it is larger than the sum of its proper divisors (4577306).

5721610 is a wasteful number, since it uses less digits than its factorization.

5721610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572168.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 5721610 is about 2391.9887123479. The cubic root of 5721610 is about 178.8570584645.

Adding to 5721610 its reverse (161275), we get a palindrome (5882885).

The spelling of 5721610 in words is "five million, seven hundred twenty-one thousand, six hundred ten".