2545054421 has 8 divisors (see below), whose sum is σ = 3132374784. Its totient is φ = 2013669360.

The previous prime is 2545054417. The next prime is 2545054423. The reversal of 2545054421 is 1244505452.

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

It is a cyclic number.

It is not a de Polignac number, because 2545054421 - 2² = 2545054417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545054423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13983725 + ... + 13983906.

It is an arithmetic number, because the mean of its divisors is an integer number (391546848).

Almost surely, 2^2545054421 is an apocalyptic number.

It is an amenable number.

2545054421 is a deficient number, since it is larger than the sum of its proper divisors (587320363).

2545054421 is a wasteful number, since it uses less digits than its factorization.

2545054421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27967651.

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 2545054421 is about 50448.5323968894. The cubic root of 2545054421 is about 1365.3134160249.

Adding to 2545054421 its reverse (1244505452), we get a palindrome (3789559873).

The spelling of 2545054421 in words is "two billion, five hundred forty-five million, fifty-four thousand, four hundred twenty-one".