3420270251 has 4 divisors (see below), whose sum is σ = 3427125000. Its totient is φ = 3413415504.

The previous prime is 3420270193. The next prime is 3420270257. The reversal of 3420270251 is 1520720243.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3420270251 - 2¹⁴ = 3420253867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3420270251.

It is not an unprimeable number, because it can be changed into a prime (3420270257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3426626 + ... + 3427623.

It is an arithmetic number, because the mean of its divisors is an integer number (856781250).

Almost surely, 2^3420270251 is an apocalyptic number.

3420270251 is a deficient number, since it is larger than the sum of its proper divisors (6854749).

3420270251 is an equidigital number, since it uses as much as digits as its factorization.

3420270251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6854748.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 3420270251 is about 58483.0766205062. The cubic root of 3420270251 is about 1506.6769387455.

Adding to 3420270251 its reverse (1520720243), we get a palindrome (4940990494).

The spelling of 3420270251 in words is "three billion, four hundred twenty million, two hundred seventy thousand, two hundred fifty-one".