2530525481 has 8 divisors (see below), whose sum is σ = 2880598464. Its totient is φ = 2200456720.

The previous prime is 2530525451. The next prime is 2530525511. The reversal of 2530525481 is 1845250352.

It is an interprime number because it is at equal distance from previous prime (2530525451) and next prime (2530525511).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2530525481 is a prime.

It is a super-2 number, since 2×2530525481² = 12807118419980562722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2530525411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5000786 + ... + 5001291.

It is an arithmetic number, because the mean of its divisors is an integer number (360074808).

Almost surely, 2^2530525481 is an apocalyptic number.

It is an amenable number.

2530525481 is a deficient number, since it is larger than the sum of its proper divisors (350072983).

2530525481 is a wasteful number, since it uses less digits than its factorization.

2530525481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10002111.

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 2530525481 is about 50304.3286507235. The cubic root of 2530525481 is about 1362.7104037327.

The spelling of 2530525481 in words is "two billion, five hundred thirty million, five hundred twenty-five thousand, four hundred eighty-one".