532315345381 has 2 divisors, whose sum is σ = 532315345382. Its totient is φ = 532315345380.

The previous prime is 532315345369. The next prime is 532315345421. The reversal of 532315345381 is 183543513235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 489958000900 + 42357344481 = 699970^2 + 205809^2 .

It is a cyclic number.

It is not a de Polignac number, because 532315345381 - 2⁵ = 532315345349 is a prime.

It is a super-2 number, since 2×532315345381² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (532315345321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266157672690 + 266157672691.

It is an arithmetic number, because the mean of its divisors is an integer number (266157672691).

Almost surely, 2^532315345381 is an apocalyptic number.

It is an amenable number.

532315345381 is a deficient number, since it is larger than the sum of its proper divisors (1).

532315345381 is an equidigital number, since it uses as much as digits as its factorization.

532315345381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648000, while the sum is 43.

The spelling of 532315345381 in words is "five hundred thirty-two billion, three hundred fifteen million, three hundred forty-five thousand, three hundred eighty-one".