2530721241530 has 32 divisors (see below), whose sum is σ = 4667214359808. Its totient is φ = 987426832000.

The previous prime is 2530721241527. The next prime is 2530721241539. The reversal of 2530721241530 is 351421270352.

It is a super-2 number, since 2×2530721241530² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2530721241539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1837355 + ... + 2904705.

It is an arithmetic number, because the mean of its divisors is an integer number (145850448744).

Almost surely, 2^{2530721241530} is an apocalyptic number.

2530721241530 is a deficient number, since it is larger than the sum of its proper divisors (2136493118278).

2530721241530 is a wasteful number, since it uses less digits than its factorization.

2530721241530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073182.

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 2530721241530 in words is "two trillion, five hundred thirty billion, seven hundred twenty-one million, two hundred forty-one thousand, five hundred thirty".