532315345421 has 2 divisors, whose sum is σ = 532315345422. Its totient is φ = 532315345420.

The previous prime is 532315345381. The next prime is 532315345427. The reversal of 532315345421 is 124543513235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 387523680196 + 144791665225 = 622514^2 + 380515^2 .

It is a cyclic number.

It is not a de Polignac number, because 532315345421 - 2¹⁸ = 532315083277 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (532315345427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266157672710 + 266157672711.

It is an arithmetic number, because the mean of its divisors is an integer number (266157672711).

Almost surely, 2^532315345421 is an apocalyptic number.

It is an amenable number.

532315345421 is a deficient number, since it is larger than the sum of its proper divisors (1).

532315345421 is an equidigital number, since it uses as much as digits as its factorization.

532315345421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216000, while the sum is 38.

Adding to 532315345421 its reverse (124543513235), we get a palindrome (656858858656).

The spelling of 532315345421 in words is "five hundred thirty-two billion, three hundred fifteen million, three hundred forty-five thousand, four hundred twenty-one".