2545203213 has 24 divisors (see below), whose sum is σ = 4205073600. Its totient is φ = 1453201344.

The previous prime is 2545203211. The next prime is 2545203247. The reversal of 2545203213 is 3123025452.

It is a happy number.

2545203213 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2545203213 - 2¹ = 2545203211 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545203211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63273 + ... + 95361.

It is an arithmetic number, because the mean of its divisors is an integer number (175211400).

Almost surely, 2^2545203213 is an apocalyptic number.

It is an amenable number.

2545203213 is a deficient number, since it is larger than the sum of its proper divisors (1659870387).

2545203213 is a wasteful number, since it uses less digits than its factorization.

2545203213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33361 (or 33358 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2545203213 is about 50450.0070664019. The cubic root of 2545203213 is about 1365.3400223656.

Adding to 2545203213 its reverse (3123025452), we get a palindrome (5668228665).

The spelling of 2545203213 in words is "two billion, five hundred forty-five million, two hundred three thousand, two hundred thirteen".