2452256509 has 2 divisors, whose sum is σ = 2452256510. Its totient is φ = 2452256508.

The previous prime is 2452256491. The next prime is 2452256539. The reversal of 2452256509 is 9056522542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2451735225 + 521284 = 49515^2 + 722^2 .

It is a cyclic number.

It is not a de Polignac number, because 2452256509 - 2⁷ = 2452256381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2452256539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1226128254 + 1226128255.

It is an arithmetic number, because the mean of its divisors is an integer number (1226128255).

Almost surely, 2^2452256509 is an apocalyptic number.

It is an amenable number.

2452256509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2452256509 is an equidigital number, since it uses as much as digits as its factorization.

2452256509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 40.

The square root of 2452256509 is about 49520.2636200576. The cubic root of 2452256509 is about 1348.5135003339.

The spelling of 2452256509 in words is "two billion, four hundred fifty-two million, two hundred fifty-six thousand, five hundred nine".