2219513 has 2 divisors, whose sum is σ = 2219514. Its totient is φ = 2219512.

The previous prime is 2219491. The next prime is 2219527. The reversal of 2219513 is 3159122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2036329 + 183184 = 1427^2 + 428^2 .

It is a cyclic number.

It is not a de Polignac number, because 2219513 - 2⁶ = 2219449 is a prime.

It is not a weakly prime, because it can be changed into another prime (2219543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1109756 + 1109757.

It is an arithmetic number, because the mean of its divisors is an integer number (1109757).

2^2219513 is an apocalyptic number.

It is an amenable number.

2219513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2219513 is an equidigital number, since it uses as much as digits as its factorization.

2219513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 23.

The square root of 2219513 is about 1489.8030071120. The cubic root of 2219513 is about 130.4425352413.

The spelling of 2219513 in words is "two million, two hundred nineteen thousand, five hundred thirteen".