2151500532 has 12 divisors (see below), whose sum is σ = 5020167936. Its totient is φ = 717166840.

The previous prime is 2151500513. The next prime is 2151500537. The reversal of 2151500532 is 2350051512.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×2151500532³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151500537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89645844 + ... + 89645867.

It is an arithmetic number, because the mean of its divisors is an integer number (418347328).

Almost surely, 2^2151500532 is an apocalyptic number.

It is an amenable number.

2151500532 is an abundant number, since it is smaller than the sum of its proper divisors (2868667404).

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

2151500532 is a wasteful number, since it uses less digits than its factorization.

2151500532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179291718 (or 179291716 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 2151500532 is about 46384.2703079395. The cubic root of 2151500532 is about 1290.9630714613.

The spelling of 2151500532 in words is "two billion, one hundred fifty-one million, five hundred thousand, five hundred thirty-two".