5212165477 has 2 divisors, whose sum is σ = 5212165478. Its totient is φ = 5212165476.

The previous prime is 5212165463. The next prime is 5212165531. The reversal of 5212165477 is 7745612125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5202592641 + 9572836 = 72129^2 + 3094^2 .

It is a cyclic number.

It is not a de Polignac number, because 5212165477 - 2²³ = 5203776869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5212165577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2606082738 + 2606082739.

It is an arithmetic number, because the mean of its divisors is an integer number (2606082739).

Almost surely, 2^5212165477 is an apocalyptic number.

It is an amenable number.

5212165477 is a deficient number, since it is larger than the sum of its proper divisors (1).

5212165477 is an equidigital number, since it uses as much as digits as its factorization.

5212165477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 117600, while the sum is 40.

The square root of 5212165477 is about 72195.3286369693. The cubic root of 5212165477 is about 1733.8282112557.

The spelling of 5212165477 in words is "five billion, two hundred twelve million, one hundred sixty-five thousand, four hundred seventy-seven".