53021219 has 2 divisors, whose sum is σ = 53021220. Its totient is φ = 53021218.

The previous prime is 53021201. The next prime is 53021231. The reversal of 53021219 is 91212035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53021219 - 2¹² = 53017123 is a prime.

It is a super-2 number, since 2×53021219² = 5622499328491922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53021194 and 53021203.

It is not a weakly prime, because it can be changed into another prime (53021239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26510609 + 26510610.

It is an arithmetic number, because the mean of its divisors is an integer number (26510610).

Almost surely, 2^53021219 is an apocalyptic number.

53021219 is a deficient number, since it is larger than the sum of its proper divisors (1).

53021219 is an equidigital number, since it uses as much as digits as its factorization.

53021219 is an evil number, because the sum of its binary digits is even.

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

The square root of 53021219 is about 7281.5670703496. The cubic root of 53021219 is about 375.6786974303.

The spelling of 53021219 in words is "fifty-three million, twenty-one thousand, two hundred nineteen".