352040225 has 6 divisors (see below), whose sum is σ = 436529910. Its totient is φ = 281632160.

The previous prime is 352040219. The next prime is 352040261. The reversal of 352040225 is 522040253.

It can be written as a sum of positive squares in 3 ways, for example, as 2238016 + 349802209 = 1496^2 + 18703^2 .

It is not a de Polignac number, because 352040225 - 2¹² = 352036129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 352040225.

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, 7040780 + ... + 7040829.

It is an arithmetic number, because the mean of its divisors is an integer number (72754985).

Almost surely, 2^352040225 is an apocalyptic number.

It is an amenable number.

352040225 is a deficient number, since it is larger than the sum of its proper divisors (84489685).

352040225 is a wasteful number, since it uses less digits than its factorization.

352040225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14081619 (or 14081614 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 352040225 is about 18762.7350085215. The cubic root of 352040225 is about 706.0965615449.

Adding to 352040225 its reverse (522040253), we get a palindrome (874080478).

The spelling of 352040225 in words is "three hundred fifty-two million, forty thousand, two hundred twenty-five".