3420504251 has 2 divisors, whose sum is σ = 3420504252. Its totient is φ = 3420504250.

The previous prime is 3420504247. The next prime is 3420504281. The reversal of 3420504251 is 1524050243.

It is a happy number.

3420504251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3420504251 - 2² = 3420504247 is a prime.

It is a super-2 number, since 2×3420504251² = 23399698662218142002, 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 3420504251.

It is not a weakly prime, because it can be changed into another prime (3420504281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710252125 + 1710252126.

It is an arithmetic number, because the mean of its divisors is an integer number (1710252126).

Almost surely, 2^3420504251 is an apocalyptic number.

3420504251 is a deficient number, since it is larger than the sum of its proper divisors (1).

3420504251 is an equidigital number, since it uses as much as digits as its factorization.

3420504251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 3420504251 is about 58485.0771650342. The cubic root of 3420504251 is about 1506.7112980542.

Adding to 3420504251 its reverse (1524050243), we get a palindrome (4944554494).

The spelling of 3420504251 in words is "three billion, four hundred twenty million, five hundred four thousand, two hundred fifty-one".