2545221106 has 8 divisors (see below), whose sum is σ = 3825803520. Its totient is φ = 1269953268.

The previous prime is 2545221061. The next prime is 2545221137. The reversal of 2545221106 is 6011225452.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1327446 + ... + 1329361.

It is an arithmetic number, because the mean of its divisors is an integer number (478225440).

Almost surely, 2^2545221106 is an apocalyptic number.

2545221106 is a deficient number, since it is larger than the sum of its proper divisors (1280582414).

2545221106 is a wasteful number, since it uses less digits than its factorization.

2545221106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657288.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2545221106 is about 50450.1844000594. The cubic root of 2545221106 is about 1365.3432218445.

Adding to 2545221106 its reverse (6011225452), we get a palindrome (8556446558).

The spelling of 2545221106 in words is "two billion, five hundred forty-five million, two hundred twenty-one thousand, one hundred six".