2521213002 has 48 divisors (see below), whose sum is σ = 6810553152. Its totient is φ = 654860160.

The previous prime is 2521213001. The next prime is 2521213027. The reversal of 2521213002 is 2003121252.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2521213001) 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 23 ways as a sum of consecutive naturals, for example, 908143 + ... + 910914.

It is an arithmetic number, because the mean of its divisors is an integer number (141886524).

Almost surely, 2^2521213002 is an apocalyptic number.

2521213002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2521213002 is an abundant number, since it is smaller than the sum of its proper divisors (4289340150).

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

2521213002 is a wasteful number, since it uses less digits than its factorization.

2521213002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819083 (or 1819080 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2521213002 is about 50211.6819276152. The cubic root of 2521213002 is about 1361.0367314829.

Adding to 2521213002 its reverse (2003121252), we get a palindrome (4524334254).

The spelling of 2521213002 in words is "two billion, five hundred twenty-one million, two hundred thirteen thousand, two".