3485517725 has 6 divisors (see below), whose sum is σ = 4322042010. Its totient is φ = 2788414160.

The previous prime is 3485517703. The next prime is 3485517731. The reversal of 3485517725 is 5277155843.

It can be written as a sum of positive squares in 3 ways, for example, as 787026916 + 2698490809 = 28054^2 + 51947^2 .

It is not a de Polignac number, because 3485517725 - 2²⁸ = 3217082269 is a prime.

It is a super-2 number, since 2×3485517725² = 24297667622578351250, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3485517725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69710330 + ... + 69710379.

It is an arithmetic number, because the mean of its divisors is an integer number (720340335).

Almost surely, 2^3485517725 is an apocalyptic number.

It is an amenable number.

3485517725 is a deficient number, since it is larger than the sum of its proper divisors (836524285).

3485517725 is a wasteful number, since it uses less digits than its factorization.

3485517725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139420719 (or 139420714 counting only the distinct ones).

The product of its digits is 1176000, while the sum is 47.

The square root of 3485517725 is about 59038.2733910808. The cubic root of 3485517725 is about 1516.1974615623.

The spelling of 3485517725 in words is "three billion, four hundred eighty-five million, five hundred seventeen thousand, seven hundred twenty-five".