2530203525251 has 4 divisors (see below), whose sum is σ = 2530277700192. Its totient is φ = 2530129350312.

The previous prime is 2530203525247. The next prime is 2530203525259. The reversal of 2530203525251 is 1525253020352.

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 2530203525251 - 2² = 2530203525247 is a prime.

It is a super-2 number, since 2×2530203525251² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2530203525259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37036280 + ... + 37104533.

It is an arithmetic number, because the mean of its divisors is an integer number (632569425048).

Almost surely, 2^{2530203525251} is an apocalyptic number.

2530203525251 is a deficient number, since it is larger than the sum of its proper divisors (74174941).

2530203525251 is an equidigital number, since it uses as much as digits as its factorization.

2530203525251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74174940.

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 2530203525251 in words is "two trillion, five hundred thirty billion, two hundred three million, five hundred twenty-five thousand, two hundred fifty-one".