2151532 has 6 divisors (see below), whose sum is σ = 3765188. Its totient is φ = 1075764.

The previous prime is 2151521. The next prime is 2151533. The reversal of 2151532 is 2351512.

It is not an unprimeable number, because it can be changed into a prime (2151533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268938 + ... + 268945.

2^2151532 is an apocalyptic number.

It is an amenable number.

2151532 is a deficient number, since it is larger than the sum of its proper divisors (1613656).

2151532 is a wasteful number, since it uses less digits than its factorization.

2151532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537887 (or 537885 counting only the distinct ones).

The product of its digits is 300, while the sum is 19.

The square root of 2151532 is about 1466.8101444972. The cubic root of 2151532 is about 129.0969365337.

The spelling of 2151532 in words is "two million, one hundred fifty-one thousand, five hundred thirty-two".