2530732357 has 8 divisors (see below), whose sum is σ = 2629438200. Its totient is φ = 2432789184.

The previous prime is 2530732313. The next prime is 2530732381. The reversal of 2530732357 is 7532370352.

It can be written as a sum of positive squares in 4 ways, for example, as 190688481 + 2340043876 = 13809^2 + 48374^2 .

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 2530732357 - 2¹¹ = 2530730309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530732657) 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, 183898 + ... + 197179.

It is an arithmetic number, because the mean of its divisors is an integer number (328679775).

Almost surely, 2^2530732357 is an apocalyptic number.

It is an amenable number.

2530732357 is a deficient number, since it is larger than the sum of its proper divisors (98705843).

2530732357 is a wasteful number, since it uses less digits than its factorization.

2530732357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381335.

The product of its (nonzero) digits is 132300, while the sum is 37.

The square root of 2530732357 is about 50306.3848532172. The cubic root of 2530732357 is about 1362.7475375741.

The spelling of 2530732357 in words is "two billion, five hundred thirty million, seven hundred thirty-two thousand, three hundred fifty-seven".