2545821514 has 16 divisors (see below), whose sum is σ = 4022740800. Its totient is φ = 1205008704.

The previous prime is 2545821461. The next prime is 2545821563. The reversal of 2545821514 is 4151285452.

It is a super-2 number, since 2×2545821514² = 12962414362290504392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27442 + ... + 76450.

It is an arithmetic number, because the mean of its divisors is an integer number (251421300).

Almost surely, 2^2545821514 is an apocalyptic number.

2545821514 is a deficient number, since it is larger than the sum of its proper divisors (1476919286).

2545821514 is a wasteful number, since it uses less digits than its factorization.

2545821514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50397.

The product of its digits is 64000, while the sum is 37.

The square root of 2545821514 is about 50456.1345526983. The cubic root of 2545821514 is about 1365.4505731652.

The spelling of 2545821514 in words is "two billion, five hundred forty-five million, eight hundred twenty-one thousand, five hundred fourteen".