53512201213 has 2 divisors, whose sum is σ = 53512201214. Its totient is φ = 53512201212.

The previous prime is 53512201157. The next prime is 53512201243. The reversal of 53512201213 is 31210221535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37883951044 + 15628250169 = 194638^2 + 125013^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53512201213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53512201243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26756100606 + 26756100607.

It is an arithmetic number, because the mean of its divisors is an integer number (26756100607).

Almost surely, 2^53512201213 is an apocalyptic number.

It is an amenable number.

53512201213 is a deficient number, since it is larger than the sum of its proper divisors (1).

53512201213 is an equidigital number, since it uses as much as digits as its factorization.

53512201213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 53512201213 its reverse (31210221535), we get a palindrome (84722422748).

The spelling of 53512201213 in words is "fifty-three billion, five hundred twelve million, two hundred one thousand, two hundred thirteen".