2545233437 has 4 divisors (see below), whose sum is σ = 2552923296. Its totient is φ = 2537543580.

The previous prime is 2545233419. The next prime is 2545233451. The reversal of 2545233437 is 7343325452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2545233437 - 2⁸ = 2545233181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2545233437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545233487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3844433 + ... + 3845094.

It is an arithmetic number, because the mean of its divisors is an integer number (638230824).

Almost surely, 2^2545233437 is an apocalyptic number.

It is an amenable number.

2545233437 is a deficient number, since it is larger than the sum of its proper divisors (7689859).

2545233437 is an equidigital number, since it uses as much as digits as its factorization.

2545233437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7689858.

The product of its digits is 302400, while the sum is 38.

The square root of 2545233437 is about 50450.3066095737. The cubic root of 2545233437 is about 1365.3454267636.

Adding to 2545233437 its reverse (7343325452), we get a palindrome (9888558889).

The spelling of 2545233437 in words is "two billion, five hundred forty-five million, two hundred thirty-three thousand, four hundred thirty-seven".