2521230318 has 12 divisors (see below), whose sum is σ = 5462665728. Its totient is φ = 840410100.

The previous prime is 2521230287. The next prime is 2521230319. The reversal of 2521230318 is 8130321252.

It is a super-2 number, since 2×2521230318² = 12713204632804762248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2521230291 and 2521230300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521230319) 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 5 ways as a sum of consecutive naturals, for example, 70034158 + ... + 70034193.

It is an arithmetic number, because the mean of its divisors is an integer number (455222144).

Almost surely, 2^2521230318 is an apocalyptic number.

2521230318 is an abundant number, since it is smaller than the sum of its proper divisors (2941435410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2521230318 is a wasteful number, since it uses less digits than its factorization.

2521230318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140068359 (or 140068356 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 2521230318 is about 50211.8543573129. The cubic root of 2521230318 is about 1361.0398473981.

The spelling of 2521230318 in words is "two billion, five hundred twenty-one million, two hundred thirty thousand, three hundred eighteen".