2545120233 has 6 divisors (see below), whose sum is σ = 3676284794. Its totient is φ = 1696746816.

The previous prime is 2545120231. The next prime is 2545120289. The reversal of 2545120233 is 3320215452.

It is a happy number.

2545120233 is a `hidden beast` number, since 2 + 5 + 451 + 202 + 3 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2100205584 + 444914649 = 45828^2 + 21093^2 .

It is not a de Polignac number, because 2545120233 - 2¹ = 2545120231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2545120197 and 2545120206.

It is not an unprimeable number, because it can be changed into a prime (2545120231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141395560 + ... + 141395577.

Almost surely, 2^2545120233 is an apocalyptic number.

It is an amenable number.

2545120233 is a deficient number, since it is larger than the sum of its proper divisors (1131164561).

2545120233 is a wasteful number, since it uses less digits than its factorization.

2545120233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282791143 (or 282791140 counting only the distinct ones).

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

The square root of 2545120233 is about 50449.1846613996. The cubic root of 2545120233 is about 1365.3251843695.

Adding to 2545120233 its reverse (3320215452), we get a palindrome (5865335685).

The spelling of 2545120233 in words is "two billion, five hundred forty-five million, one hundred twenty thousand, two hundred thirty-three".