352442531 has 8 divisors (see below), whose sum is σ = 405867264. Its totient is φ = 299786760.

The previous prime is 352442443. The next prime is 352442537. The reversal of 352442531 is 135244253.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 352442531 - 2²² = 348248227 is a prime.

It is a super-2 number, since 2×352442531² = 248431475315371922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 352442494 and 352442503.

It is not an unprimeable number, because it can be changed into a prime (352442537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191255 + ... + 193088.

It is an arithmetic number, because the mean of its divisors is an integer number (50733408).

Almost surely, 2^352442531 is an apocalyptic number.

352442531 is a deficient number, since it is larger than the sum of its proper divisors (53424733).

352442531 is a wasteful number, since it uses less digits than its factorization.

352442531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384481.

The product of its digits is 14400, while the sum is 29.

The square root of 352442531 is about 18773.4528257324. The cubic root of 352442531 is about 706.3654311444.

Adding to 352442531 its reverse (135244253), we get a palindrome (487686784).

The spelling of 352442531 in words is "three hundred fifty-two million, four hundred forty-two thousand, five hundred thirty-one".