2151415452 has 24 divisors (see below), whose sum is σ = 5020752016. Its totient is φ = 717026688.

The previous prime is 2151415393. The next prime is 2151415457. The reversal of 2151415452 is 2545141512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151415457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110688 + ... + 128664.

Almost surely, 2^2151415452 is an apocalyptic number.

It is an amenable number.

2151415452 is an abundant number, since it is smaller than the sum of its proper divisors (2869336564).

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

2151415452 is a wasteful number, since it uses less digits than its factorization.

2151415452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27957 (or 27955 counting only the distinct ones).

The product of its digits is 8000, while the sum is 30.

The square root of 2151415452 is about 46383.3531776218. The cubic root of 2151415452 is about 1290.9460544098.

Adding to 2151415452 its reverse (2545141512), we get a palindrome (4696556964).

The spelling of 2151415452 in words is "two billion, one hundred fifty-one million, four hundred fifteen thousand, four hundred fifty-two".