2151203452 has 24 divisors (see below), whose sum is σ = 3778541312. Its totient is φ = 1071630000.

The previous prime is 2151203423. The next prime is 2151203459. The reversal of 2151203452 is 2543021512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151203459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2435803 + ... + 2436685.

Almost surely, 2^2151203452 is an apocalyptic number.

It is an amenable number.

2151203452 is a deficient number, since it is larger than the sum of its proper divisors (1627337860).

2151203452 is a wasteful number, since it uses less digits than its factorization.

2151203452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449 (or 2447 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2151203452 is about 46381.0678186693. The cubic root of 2151203452 is about 1290.9036498379.

Adding to 2151203452 its reverse (2543021512), we get a palindrome (4694224964).

The spelling of 2151203452 in words is "two billion, one hundred fifty-one million, two hundred three thousand, four hundred fifty-two".