3340515421 has 2 divisors, whose sum is σ = 3340515422. Its totient is φ = 3340515420.

The previous prime is 3340515403. The next prime is 3340515439. The reversal of 3340515421 is 1245150433.

3340515421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (3340515403) and next prime (3340515439).

It can be written as a sum of positive squares in only one way, i.e., 2863748196 + 476767225 = 53514^2 + 21835^2 .

It is a cyclic number.

It is not a de Polignac number, because 3340515421 - 2⁷ = 3340515293 is a prime.

It is a super-2 number, since 2×3340515421² = 22318086555877614482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3340515421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3340515491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1670257710 + 1670257711.

It is an arithmetic number, because the mean of its divisors is an integer number (1670257711).

Almost surely, 2^3340515421 is an apocalyptic number.

It is an amenable number.

3340515421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3340515421 is an equidigital number, since it uses as much as digits as its factorization.

3340515421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 3340515421 is about 57797.1921549828. The cubic root of 3340515421 is about 1494.8736739603.

Adding to 3340515421 its reverse (1245150433), we get a palindrome (4585665854).

The spelling of 3340515421 in words is "three billion, three hundred forty million, five hundred fifteen thousand, four hundred twenty-one".