2545403005 has 8 divisors (see below), whose sum is σ = 3064434912. Its totient is φ = 2029688208.

The previous prime is 2545402999. The next prime is 2545403009. The reversal of 2545403005 is 5003045452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2545403005 - 2³ = 2545402997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545403009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827587 + ... + 830656.

It is an arithmetic number, because the mean of its divisors is an integer number (383054364).

Almost surely, 2^2545403005 is an apocalyptic number.

It is an amenable number.

2545403005 is a deficient number, since it is larger than the sum of its proper divisors (519031907).

2545403005 is a wasteful number, since it uses less digits than its factorization.

2545403005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658555.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 2545403005 is about 50451.9871263759. The cubic root of 2545403005 is about 1365.3757466744.

Adding to 2545403005 its reverse (5003045452), we get a palindrome (7548448457).

The spelling of 2545403005 in words is "two billion, five hundred forty-five million, four hundred three thousand, five".