5212312397 has 2 divisors, whose sum is σ = 5212312398. Its totient is φ = 5212312396.

The previous prime is 5212312367. The next prime is 5212312429. The reversal of 5212312397 is 7932132125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5123839561 + 88472836 = 71581^2 + 9406^2 .

It is a cyclic number.

It is not a de Polignac number, because 5212312397 - 2⁶ = 5212312333 is a prime.

It is a super-4 number, since 4×5212312397⁴ (a number of 40 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5212312367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2606156198 + 2606156199.

It is an arithmetic number, because the mean of its divisors is an integer number (2606156199).

Almost surely, 2^5212312397 is an apocalyptic number.

It is an amenable number.

5212312397 is a deficient number, since it is larger than the sum of its proper divisors (1).

5212312397 is an equidigital number, since it uses as much as digits as its factorization.

5212312397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The square root of 5212312397 is about 72196.3461471562. The cubic root of 5212312397 is about 1733.8445020948.

The spelling of 5212312397 in words is "five billion, two hundred twelve million, three hundred twelve thousand, three hundred ninety-seven".