2045514521 has 4 divisors (see below), whose sum is σ = 2153173200. Its totient is φ = 1937855844.

The previous prime is 2045514517. The next prime is 2045514529. The reversal of 2045514521 is 1254155402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2045514521 - 2² = 2045514517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045514529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53829311 + ... + 53829348.

It is an arithmetic number, because the mean of its divisors is an integer number (538293300).

Almost surely, 2^2045514521 is an apocalyptic number.

It is an amenable number.

2045514521 is a deficient number, since it is larger than the sum of its proper divisors (107658679).

2045514521 is a wasteful number, since it uses less digits than its factorization.

2045514521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107658678.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 2045514521 is about 45227.3647364071. The cubic root of 2045514521 is about 1269.4069028845.

Adding to 2045514521 its reverse (1254155402), we get a palindrome (3299669923).

The spelling of 2045514521 in words is "two billion, forty-five million, five hundred fourteen thousand, five hundred twenty-one".