2545750399 has 2 divisors, whose sum is σ = 2545750400. Its totient is φ = 2545750398.

The previous prime is 2545750343. The next prime is 2545750429. The reversal of 2545750399 is 9930575452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2545750399 - 2²¹ = 2543653247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2545757399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272875199 + 1272875200.

It is an arithmetic number, because the mean of its divisors is an integer number (1272875200).

Almost surely, 2^2545750399 is an apocalyptic number.

2545750399 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545750399 is an equidigital number, since it uses as much as digits as its factorization.

2545750399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701000, while the sum is 49.

The square root of 2545750399 is about 50455.4298267293. The cubic root of 2545750399 is about 1365.4378588775.

The spelling of 2545750399 in words is "two billion, five hundred forty-five million, seven hundred fifty thousand, three hundred ninety-nine".