5200420249 has 2 divisors, whose sum is σ = 5200420250. Its totient is φ = 5200420248.

The previous prime is 5200420171. The next prime is 5200420307. The reversal of 5200420249 is 9420240025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5155958025 + 44462224 = 71805^2 + 6668^2 .

It is a cyclic number.

It is not a de Polignac number, because 5200420249 - 2²⁹ = 4663549337 is a prime.

It is not a weakly prime, because it can be changed into another prime (5200420549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2600210124 + 2600210125.

It is an arithmetic number, because the mean of its divisors is an integer number (2600210125).

Almost surely, 2^5200420249 is an apocalyptic number.

It is an amenable number.

5200420249 is a deficient number, since it is larger than the sum of its proper divisors (1).

5200420249 is an equidigital number, since it uses as much as digits as its factorization.

5200420249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 5200420249 is about 72113.9393529434. The cubic root of 5200420249 is about 1732.5248807217.

The spelling of 5200420249 in words is "five billion, two hundred million, four hundred twenty thousand, two hundred forty-nine".