352523441997 has 6 divisors (see below), whose sum is σ = 509200527342. Its totient is φ = 235015627992.

The previous prime is 352523441929. The next prime is 352523442041. The reversal of 352523441997 is 799144325253.

It is a happy number.

352523441997 is a `hidden beast` number, since 3 + 525 + 23 + 4 + 4 + 1 + 9 + 97 = 666.

It can be written as a sum of positive squares in only one way, i.e., 184100206761 + 168423235236 = 429069^2 + 410394^2 .

It is not a de Polignac number, because 352523441997 - 2¹² = 352523437901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352523441797) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19584635658 + ... + 19584635675.

It is an arithmetic number, because the mean of its divisors is an integer number (84866754557).

Almost surely, 2^352523441997 is an apocalyptic number.

It is an amenable number.

352523441997 is a deficient number, since it is larger than the sum of its proper divisors (156677085345).

352523441997 is a wasteful number, since it uses less digits than its factorization.

352523441997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39169271339 (or 39169271336 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 54.

The spelling of 352523441997 in words is "three hundred fifty-two billion, five hundred twenty-three million, four hundred forty-one thousand, nine hundred ninety-seven".