352172392025 has 6 divisors (see below), whose sum is σ = 436693766142. Its totient is φ = 281737913600.

The previous prime is 352172392021. The next prime is 352172392027. The reversal of 352172392025 is 520293271253.

It can be written as a sum of positive squares in 3 ways, for example, as 24552382864 + 327620009161 = 156692^2 + 572381^2 .

It is not a de Polignac number, because 352172392025 - 2² = 352172392021 is a prime.

It is a super-2 number, since 2×352172392025² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (352172392021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7043447816 + ... + 7043447865.

It is an arithmetic number, because the mean of its divisors is an integer number (72782294357).

Almost surely, 2^352172392025 is an apocalyptic number.

It is an amenable number.

352172392025 is a deficient number, since it is larger than the sum of its proper divisors (84521374117).

352172392025 is a wasteful number, since it uses less digits than its factorization.

352172392025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14086895691 (or 14086895686 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 41.

It can be divided in two parts, 35217 and 2392025, that added together give a palindrome (2427242).

The spelling of 352172392025 in words is "three hundred fifty-two billion, one hundred seventy-two million, three hundred ninety-two thousand, twenty-five".