5721602 has 4 divisors (see below), whose sum is σ = 8582406. Its totient is φ = 2860800.

The previous prime is 5721601. The next prime is 5721619. The reversal of 5721602 is 2061275.

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

It can be written as a sum of positive squares in only one way, i.e., 5669161 + 52441 = 2381^2 + 229^2 .

It is not an unprimeable number, because it can be changed into a prime (5721601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1430399 + ... + 1430402.

Almost surely, 2^5721602 is an apocalyptic number.

5721602 is a deficient number, since it is larger than the sum of its proper divisors (2860804).

5721602 is a wasteful number, since it uses less digits than its factorization.

5721602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860803.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 5721602 is about 2391.9870400987. The cubic root of 5721602 is about 178.8569751047.

Adding to 5721602 its reverse (2061275), we get a palindrome (7782877).

The spelling of 5721602 in words is "five million, seven hundred twenty-one thousand, six hundred two".