2545242803 has 2 divisors, whose sum is σ = 2545242804. Its totient is φ = 2545242802.

The previous prime is 2545242787. The next prime is 2545242811. The reversal of 2545242803 is 3082425452.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2545242803 - 2⁴ = 2545242787 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2545242823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272621401 + 1272621402.

It is an arithmetic number, because the mean of its divisors is an integer number (1272621402).

Almost surely, 2^2545242803 is an apocalyptic number.

2545242803 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545242803 is an equidigital number, since it uses as much as digits as its factorization.

2545242803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 76800, while the sum is 35.

The square root of 2545242803 is about 50450.3994335030. The cubic root of 2545242803 is about 1365.3471015032.

The spelling of 2545242803 in words is "two billion, five hundred forty-five million, two hundred forty-two thousand, eight hundred three".