352609442 has 4 divisors (see below), whose sum is σ = 528914166. Its totient is φ = 176304720.

The previous prime is 352609421. The next prime is 352609447. The reversal of 352609442 is 244906253.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244906253 = 1489 ⋅164477.

It can be written as a sum of positive squares in only one way, i.e., 204232681 + 148376761 = 14291^2 + 12181^2 .

It is not an unprimeable number, because it can be changed into a prime (352609447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88152359 + ... + 88152362.

Almost surely, 2^352609442 is an apocalyptic number.

352609442 is a deficient number, since it is larger than the sum of its proper divisors (176304724).

352609442 is a wasteful number, since it uses less digits than its factorization.

352609442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176304723.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 352609442 is about 18777.8976991568. The cubic root of 352609442 is about 706.4769212391.

The spelling of 352609442 in words is "three hundred fifty-two million, six hundred nine thousand, four hundred forty-two".