2521430298 has 12 divisors (see below), whose sum is σ = 5463099018. Its totient is φ = 840476760.

The previous prime is 2521430297. The next prime is 2521430333. The reversal of 2521430298 is 8920341252.

It is a happy number.

2521430298 is a `hidden beast` number, since 2 + 521 + 43 + 0 + 2 + 98 = 666.

2521430298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2212479369 + 308950929 = 47037^2 + 17577^2 .

It is a super-2 number, since 2×2521430298² = 12715221495344737608, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2521430297) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70039713 + ... + 70039748.

Almost surely, 2^2521430298 is an apocalyptic number.

2521430298 is an abundant number, since it is smaller than the sum of its proper divisors (2941668720).

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

2521430298 is a wasteful number, since it uses less digits than its factorization.

2521430298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140079469 (or 140079466 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 2521430298 is about 50213.8456802504. The cubic root of 2521430298 is about 1361.0758316225.

The spelling of 2521430298 in words is "two billion, five hundred twenty-one million, four hundred thirty thousand, two hundred ninety-eight".