2530521502501 has 4 divisors (see below), whose sum is σ = 2533004841600. Its totient is φ = 2528038163404.

The previous prime is 2530521502499. The next prime is 2530521502513. The reversal of 2530521502501 is 1052051250352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2530521502501 - 2¹ = 2530521502499 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 (2530521502801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1241668021 + ... + 1241670058.

It is an arithmetic number, because the mean of its divisors is an integer number (633251210400).

Almost surely, 2^{2530521502501} is an apocalyptic number.

It is an amenable number.

2530521502501 is a deficient number, since it is larger than the sum of its proper divisors (2483339099).

2530521502501 is a wasteful number, since it uses less digits than its factorization.

2530521502501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483339098.

The product of its (nonzero) digits is 15000, while the sum is 31.

Adding to 2530521502501 its reverse (1052051250352), we get a palindrome (3582572752853).

The spelling of 2530521502501 in words is "two trillion, five hundred thirty billion, five hundred twenty-one million, five hundred two thousand, five hundred one".