2545273426 has 8 divisors (see below), whose sum is σ = 3983906304. Its totient is φ = 1217304660.

The previous prime is 2545273411. The next prime is 2545273433. The reversal of 2545273426 is 6243725452.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27665970 + ... + 27666061.

It is an arithmetic number, because the mean of its divisors is an integer number (497988288).

Almost surely, 2^2545273426 is an apocalyptic number.

2545273426 is a deficient number, since it is larger than the sum of its proper divisors (1438632878).

2545273426 is a wasteful number, since it uses less digits than its factorization.

2545273426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55332056.

The product of its digits is 403200, while the sum is 40.

The square root of 2545273426 is about 50450.7029287006. The cubic root of 2545273426 is about 1365.3525771899.

Adding to 2545273426 its reverse (6243725452), we get a palindrome (8788998878).

The spelling of 2545273426 in words is "two billion, five hundred forty-five million, two hundred seventy-three thousand, four hundred twenty-six".