5242050409 has 2 divisors, whose sum is σ = 5242050410. Its totient is φ = 5242050408.

The previous prime is 5242050397. The next prime is 5242050491. The reversal of 5242050409 is 9040502425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4889925184 + 352125225 = 69928^2 + 18765^2 .

It is a cyclic number.

It is not a de Polignac number, because 5242050409 - 2⁵ = 5242050377 is a prime.

It is not a weakly prime, because it can be changed into another prime (5242050109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2621025204 + 2621025205.

It is an arithmetic number, because the mean of its divisors is an integer number (2621025205).

Almost surely, 2^5242050409 is an apocalyptic number.

It is an amenable number.

5242050409 is a deficient number, since it is larger than the sum of its proper divisors (1).

5242050409 is an equidigital number, since it uses as much as digits as its factorization.

5242050409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 5242050409 is about 72402.0055592385. The cubic root of 5242050409 is about 1737.1356415150.

The spelling of 5242050409 in words is "five billion, two hundred forty-two million, fifty thousand, four hundred nine".