5361721 has 4 divisors (see below), whose sum is σ = 5387344. Its totient is φ = 5336100.

The previous prime is 5361709. The next prime is 5361739. The reversal of 5361721 is 1271635.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5361721 - 2⁷ = 5361593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5361701) 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, 12495 + ... + 12916.

It is an arithmetic number, because the mean of its divisors is an integer number (1346836).

Almost surely, 2^5361721 is an apocalyptic number.

It is an amenable number.

5361721 is a deficient number, since it is larger than the sum of its proper divisors (25623).

5361721 is a wasteful number, since it uses less digits than its factorization.

5361721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25622.

The product of its digits is 1260, while the sum is 25.

The square root of 5361721 is about 2315.5390301180. The cubic root of 5361721 is about 175.0255309690.

The spelling of 5361721 in words is "five million, three hundred sixty-one thousand, seven hundred twenty-one".