2530263664251 has 24 divisors (see below), whose sum is σ = 3662636958864. Its totient is φ = 1683240099840.

The previous prime is 2530263664223. The next prime is 2530263664267. The reversal of 2530263664251 is 1524663620352.

2530263664251 is a `hidden beast` number, since 2 + 5 + 3 + 0 + 2 + 636 + 6 + 4 + 2 + 5 + 1 = 666.

It is not a de Polignac number, because 2530263664251 - 2²⁵ = 2530230109819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2530263664197 and 2530263664206.

It is not an unprimeable number, because it can be changed into a prime (2530263664651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9952915 + ... + 10203971.

It is an arithmetic number, because the mean of its divisors is an integer number (152609873286).

Almost surely, 2^{2530263664251} is an apocalyptic number.

2530263664251 is a deficient number, since it is larger than the sum of its proper divisors (1132373294613).

2530263664251 is a wasteful number, since it uses less digits than its factorization.

2530263664251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253451 (or 253448 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 2530263664251 in words is "two trillion, five hundred thirty billion, two hundred sixty-three million, six hundred sixty-four thousand, two hundred fifty-one".