2545014121 has 8 divisors (see below), whose sum is σ = 2902007304. Its totient is φ = 2211052800.

The previous prime is 2545014113. The next prime is 2545014127. The reversal of 2545014121 is 1214105452.

It can be written as a sum of positive squares in 4 ways, for example, as 9388096 + 2535626025 = 3064^2 + 50355^2 .

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 2545014121 - 2³ = 2545014113 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2545014127) 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, 5757730 + ... + 5758171.

It is an arithmetic number, because the mean of its divisors is an integer number (362750913).

Almost surely, 2^2545014121 is an apocalyptic number.

It is an amenable number.

2545014121 is a deficient number, since it is larger than the sum of its proper divisors (356993183).

2545014121 is a wasteful number, since it uses less digits than its factorization.

2545014121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11515931.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 2545014121 is about 50448.1329783373. The cubic root of 2545014121 is about 1365.3062095751.

Adding to 2545014121 its reverse (1214105452), we get a palindrome (3759119573).

The spelling of 2545014121 in words is "two billion, five hundred forty-five million, fourteen thousand, one hundred twenty-one".