352525404349 has 4 divisors (see below), whose sum is σ = 352540712736. Its totient is φ = 352510095964.

The previous prime is 352525404181. The next prime is 352525404373. The reversal of 352525404349 is 943404525253.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 943404525253 = 73 ⋅12923349661.

It is a cyclic number.

It is not a de Polignac number, because 352525404349 - 2³⁵ = 318165665981 is a prime.

It is a super-2 number, since 2×352525404349² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 352525404299 and 352525404308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352585404349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7619599 + ... + 7665724.

It is an arithmetic number, because the mean of its divisors is an integer number (88135178184).

Almost surely, 2^352525404349 is an apocalyptic number.

It is an amenable number.

352525404349 is a deficient number, since it is larger than the sum of its proper divisors (15308387).

352525404349 is a wasteful number, since it uses less digits than its factorization.

352525404349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15308386.

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 352525404349 in words is "three hundred fifty-two billion, five hundred twenty-five million, four hundred four thousand, three hundred forty-nine".