2151435332 has 6 divisors (see below), whose sum is σ = 3765011838. Its totient is φ = 1075717664.

The previous prime is 2151435331. The next prime is 2151435343. The reversal of 2151435332 is 2335341512.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1780333636 + 371101696 = 42194^2 + 19264^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2151435295 and 2151435304.

It is not an unprimeable number, because it can be changed into a prime (2151435331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268929413 + ... + 268929420.

It is an arithmetic number, because the mean of its divisors is an integer number (627501973).

Almost surely, 2^2151435332 is an apocalyptic number.

It is an amenable number.

2151435332 is a deficient number, since it is larger than the sum of its proper divisors (1613576506).

2151435332 is a wasteful number, since it uses less digits than its factorization.

2151435332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537858837 (or 537858835 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 2151435332 is about 46383.5674781490. The cubic root of 2151435332 is about 1290.9500306956.

Adding to 2151435332 its reverse (2335341512), we get a palindrome (4486776844).

The spelling of 2151435332 in words is "two billion, one hundred fifty-one million, four hundred thirty-five thousand, three hundred thirty-two".