5721619 has 2 divisors, whose sum is σ = 5721620. Its totient is φ = 5721618.

The previous prime is 5721601. The next prime is 5721631. The reversal of 5721619 is 9161275.

5721619 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5721619 - 2¹³ = 5713427 is a prime.

It is a super-2 number, since 2×5721619² = 65473847962322, which contains 22 as substring.

5721619 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (5721649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2860809 + 2860810.

It is an arithmetic number, because the mean of its divisors is an integer number (2860810).

Almost surely, 2^5721619 is an apocalyptic number.

5721619 is a deficient number, since it is larger than the sum of its proper divisors (1).

5721619 is an equidigital number, since it uses as much as digits as its factorization.

5721619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 31.

The square root of 5721619 is about 2391.9905936270. The cubic root of 5721619 is about 178.8571522442.

The spelling of 5721619 in words is "five million, seven hundred twenty-one thousand, six hundred nineteen".