2155002532 has 12 divisors (see below), whose sum is σ = 3776862796. Its totient is φ = 1075898880.

The previous prime is 2155002523. The next prime is 2155002583. The reversal of 2155002532 is 2352005512.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 578594916 + 1576407616 = 24054^2 + 39704^2 .

It is a super-2 number, since 2×2155002532² = 9288071825852822048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2155002497 and 2155002506.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 397569 + ... + 402952.

Almost surely, 2^2155002532 is an apocalyptic number.

It is an amenable number.

2155002532 is a deficient number, since it is larger than the sum of its proper divisors (1621860264).

2155002532 is a wasteful number, since it uses less digits than its factorization.

2155002532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801198 (or 801196 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 2155002532 is about 46422.0048252981. The cubic root of 2155002532 is about 1291.6631258194.

The spelling of 2155002532 in words is "two billion, one hundred fifty-five million, two thousand, five hundred thirty-two".