2002531450 has 12 divisors (see below), whose sum is σ = 3724708590. Its totient is φ = 801012560.

The previous prime is 2002531351. The next prime is 2002531451. The reversal of 2002531450 is 541352002.

It can be written as a sum of positive squares in 3 ways, for example, as 1488647889 + 513883561 = 38583^2 + 22669^2 .

It is not an unprimeable number, because it can be changed into a prime (2002531451) 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, 20025265 + ... + 20025364.

Almost surely, 2^2002531450 is an apocalyptic number.

2002531450 is a deficient number, since it is larger than the sum of its proper divisors (1722177140).

2002531450 is a wasteful number, since it uses less digits than its factorization.

2002531450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40050641 (or 40050636 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2002531450 is about 44749.6530712809. The cubic root of 2002531450 is about 1260.4523969684.

Adding to 2002531450 its reverse (541352002), we get a palindrome (2543883452).

The spelling of 2002531450 in words is "two billion, two million, five hundred thirty-one thousand, four hundred fifty".