352025521 has 4 divisors (see below), whose sum is σ = 370553200. Its totient is φ = 333497844.

The previous prime is 352025507. The next prime is 352025537. The reversal of 352025521 is 125520253.

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: 125520253 = 983 ⋅127691.

It is a cyclic number.

It is not a de Polignac number, because 352025521 - 2⁵ = 352025489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (352025551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9263811 + ... + 9263848.

It is an arithmetic number, because the mean of its divisors is an integer number (92638300).

Almost surely, 2^352025521 is an apocalyptic number.

It is an amenable number.

352025521 is a deficient number, since it is larger than the sum of its proper divisors (18527679).

352025521 is a wasteful number, since it uses less digits than its factorization.

352025521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18527678.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 352025521 is about 18762.3431639015. The cubic root of 352025521 is about 706.0867306717.

Adding to 352025521 its reverse (125520253), we get a palindrome (477545774).

The spelling of 352025521 in words is "three hundred fifty-two million, twenty-five thousand, five hundred twenty-one".