2545233405 has 32 divisors (see below), whose sum is σ = 4784330880. Its totient is φ = 1139124480.

The previous prime is 2545233389. The next prime is 2545233409. The reversal of 2545233405 is 5043325452.

It is a happy number.

It is not a de Polignac number, because 2545233405 - 2⁴ = 2545233389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545233409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 591150 + ... + 595439.

It is an arithmetic number, because the mean of its divisors is an integer number (149510340).

Almost surely, 2^2545233405 is an apocalyptic number.

It is an amenable number.

2545233405 is a deficient number, since it is larger than the sum of its proper divisors (2239097475).

2545233405 is a wasteful number, since it uses less digits than its factorization.

2545233405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186621.

The product of its (nonzero) digits is 72000, while the sum is 33.

The square root of 2545233405 is about 50450.3062924300. The cubic root of 2545233405 is about 1365.3454210417.

Adding to 2545233405 its reverse (5043325452), we get a palindrome (7588558857).

The spelling of 2545233405 in words is "two billion, five hundred forty-five million, two hundred thirty-three thousand, four hundred five".