2530140251 has 4 divisors (see below), whose sum is σ = 2546255952. Its totient is φ = 2514024552.

The previous prime is 2530140199. The next prime is 2530140257. The reversal of 2530140251 is 1520410352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2530140251 - 2¹⁸ = 2529878107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2530140257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8057615 + ... + 8057928.

It is an arithmetic number, because the mean of its divisors is an integer number (636563988).

Almost surely, 2^2530140251 is an apocalyptic number.

2530140251 is a deficient number, since it is larger than the sum of its proper divisors (16115701).

2530140251 is a wasteful number, since it uses less digits than its factorization.

2530140251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16115700.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2530140251 is about 50300.4995104422. The cubic root of 2530140251 is about 1362.6412503001.

The spelling of 2530140251 in words is "two billion, five hundred thirty million, one hundred forty thousand, two hundred fifty-one".