541235320397 has 2 divisors, whose sum is σ = 541235320398. Its totient is φ = 541235320396.

The previous prime is 541235320369. The next prime is 541235320433. The reversal of 541235320397 is 793023532145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 299662087396 + 241573233001 = 547414^2 + 491501^2 .

It is a cyclic number.

It is not a de Polignac number, because 541235320397 - 2⁶ = 541235320333 is a prime.

It is a super-3 number, since 3×541235320397³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (541235320597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270617660198 + 270617660199.

It is an arithmetic number, because the mean of its divisors is an integer number (270617660199).

Almost surely, 2^541235320397 is an apocalyptic number.

It is an amenable number.

541235320397 is a deficient number, since it is larger than the sum of its proper divisors (1).

541235320397 is an equidigital number, since it uses as much as digits as its factorization.

541235320397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400, while the sum is 44.

The spelling of 541235320397 in words is "five hundred forty-one billion, two hundred thirty-five million, three hundred twenty thousand, three hundred ninety-seven".