2545273437 has 8 divisors (see below), whose sum is σ = 3878511936. Its totient is φ = 1454441952.

The previous prime is 2545273433. The next prime is 2545273447. The reversal of 2545273437 is 7343725452.

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

It is not a de Polignac number, because 2545273437 - 2² = 2545273433 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545273433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60601728 + ... + 60601769.

It is an arithmetic number, because the mean of its divisors is an integer number (484813992).

Almost surely, 2^2545273437 is an apocalyptic number.

It is an amenable number.

2545273437 is a deficient number, since it is larger than the sum of its proper divisors (1333238499).

2545273437 is a wasteful number, since it uses less digits than its factorization.

2545273437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121203507.

The product of its digits is 705600, while the sum is 42.

The square root of 2545273437 is about 50450.7030377179. The cubic root of 2545273437 is about 1365.3525791568.

Adding to 2545273437 its reverse (7343725452), we get a palindrome (9888998889).

It can be divided in two parts, 25452 and 73437, that added together give a palindrome (98889).

The spelling of 2545273437 in words is "two billion, five hundred forty-five million, two hundred seventy-three thousand, four hundred thirty-seven".