2521043802 has 12 divisors (see below), whose sum is σ = 5462261610. Its totient is φ = 840347928.

The previous prime is 2521043801. The next prime is 2521043873. The reversal of 2521043802 is 2083401252.

It can be written as a sum of positive squares in only one way, i.e., 1673709921 + 847333881 = 40911^2 + 29109^2 .

It is not an unprimeable number, because it can be changed into a prime (2521043801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70028977 + ... + 70029012.

Almost surely, 2^2521043802 is an apocalyptic number.

2521043802 is an abundant number, since it is smaller than the sum of its proper divisors (2941217808).

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

2521043802 is a wasteful number, since it uses less digits than its factorization.

2521043802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140057997 (or 140057994 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2521043802 is about 50209.9970324636. The cubic root of 2521043802 is about 1361.0062841589.

The spelling of 2521043802 in words is "two billion, five hundred twenty-one million, forty-three thousand, eight hundred two".