2651530545 has 80 divisors (see below), whose sum is σ = 5082929280. Its totient is φ = 1317689856.

The previous prime is 2651530517. The next prime is 2651530573. The reversal of 2651530545 is 5450351562.

2651530545 is a `hidden beast` number, since 2 + 65 + 1 + 53 + 0 + 545 = 666.

It is an interprime number because it is at equal distance from previous prime (2651530517) and next prime (2651530573).

It is not a de Polignac number, because 2651530545 - 2⁸ = 2651530289 is a prime.

It is a super-2 number, since 2×2651530545² = 14061228462135994050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 707286 + ... + 711024.

It is an arithmetic number, because the mean of its divisors is an integer number (63536616).

Almost surely, 2^2651530545 is an apocalyptic number.

It is an amenable number.

2651530545 is a deficient number, since it is larger than the sum of its proper divisors (2431398735).

2651530545 is a wasteful number, since it uses less digits than its factorization.

2651530545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3876 (or 3867 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 2651530545 is about 51493.0145262442. The cubic root of 2651530545 is about 1384.0938687558.

The spelling of 2651530545 in words is "two billion, six hundred fifty-one million, five hundred thirty thousand, five hundred forty-five".