2002251534 has 48 divisors (see below), whose sum is σ = 4271421168. Its totient is φ = 625573888.

The previous prime is 2002251533. The next prime is 2002251541. The reversal of 2002251534 is 4351522002.

It is a super-2 number, since 2×2002251534² = 8018022410810706312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002251533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 443392 + ... + 447884.

It is an arithmetic number, because the mean of its divisors is an integer number (88987941).

Almost surely, 2^2002251534 is an apocalyptic number.

2002251534 is an abundant number, since it is smaller than the sum of its proper divisors (2269169634).

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

2002251534 is a wasteful number, since it uses less digits than its factorization.

2002251534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4789 (or 4772 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2002251534 is about 44746.5253846598. The cubic root of 2002251534 is about 1260.3936651012.

Adding to 2002251534 its reverse (4351522002), we get a palindrome (6353773536).

The spelling of 2002251534 in words is "two billion, two million, two hundred fifty-one thousand, five hundred thirty-four".