3451211725 has 24 divisors (see below), whose sum is σ = 4618766880. Its totient is φ = 2543017920.

The previous prime is 3451211719. The next prime is 3451211749. The reversal of 3451211725 is 5271121543.

It is not a de Polignac number, because 3451211725 - 2⁵ = 3451211693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140406 + ... + 163144.

It is an arithmetic number, because the mean of its divisors is an integer number (192448620).

Almost surely, 2^3451211725 is an apocalyptic number.

It is an amenable number.

3451211725 is a deficient number, since it is larger than the sum of its proper divisors (1167555155).

3451211725 is a wasteful number, since it uses less digits than its factorization.

3451211725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23229 (or 23224 counting only the distinct ones).

The product of its digits is 8400, while the sum is 31.

The square root of 3451211725 is about 58747.0146049993. The cubic root of 3451211725 is about 1511.2066908027.

The spelling of 3451211725 in words is "three billion, four hundred fifty-one million, two hundred eleven thousand, seven hundred twenty-five".