5195024921 has 2 divisors, whose sum is σ = 5195024922. Its totient is φ = 5195024920.

The previous prime is 5195024909. The next prime is 5195024929. The reversal of 5195024921 is 1294205915.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4793623696 + 401401225 = 69236^2 + 20035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5195024921 is a prime.

It is a super-2 number, since 2×5195024921² = 53976567859622112482, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5195024929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2597512460 + 2597512461.

It is an arithmetic number, because the mean of its divisors is an integer number (2597512461).

Almost surely, 2^5195024921 is an apocalyptic number.

It is an amenable number.

5195024921 is a deficient number, since it is larger than the sum of its proper divisors (1).

5195024921 is an equidigital number, since it uses as much as digits as its factorization.

5195024921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 5195024921 is about 72076.5212881421. The cubic root of 5195024921 is about 1731.9255205391.

The spelling of 5195024921 in words is "five billion, one hundred ninety-five million, twenty-four thousand, nine hundred twenty-one".