2545632403 has 4 divisors (see below), whose sum is σ = 2545902448. Its totient is φ = 2545362360.

The previous prime is 2545632391. The next prime is 2545632431. The reversal of 2545632403 is 3042365452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2545632403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2545632503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120351 + ... + 139912.

It is an arithmetic number, because the mean of its divisors is an integer number (636475612).

Almost surely, 2^2545632403 is an apocalyptic number.

2545632403 is a deficient number, since it is larger than the sum of its proper divisors (270045).

2545632403 is an equidigital number, since it uses as much as digits as its factorization.

2545632403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270044.

The product of its (nonzero) digits is 86400, while the sum is 34.

The square root of 2545632403 is about 50454.2605039456. The cubic root of 2545632403 is about 1365.4167624528.

Adding to 2545632403 its reverse (3042365452), we get a palindrome (5587997855).

The spelling of 2545632403 in words is "two billion, five hundred forty-five million, six hundred thirty-two thousand, four hundred three".