2450343521 has 4 divisors (see below), whose sum is σ = 2451689472. Its totient is φ = 2448997572.

The previous prime is 2450343407. The next prime is 2450343523. The reversal of 2450343521 is 1253430542.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2450343521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2450343523) 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, 670241 + ... + 673886.

It is an arithmetic number, because the mean of its divisors is an integer number (612922368).

Almost surely, 2^2450343521 is an apocalyptic number.

It is an amenable number.

2450343521 is a deficient number, since it is larger than the sum of its proper divisors (1345951).

2450343521 is a wasteful number, since it uses less digits than its factorization.

2450343521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345950.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 2450343521 is about 49500.9446475519. The cubic root of 2450343521 is about 1348.1627538242.

The spelling of 2450343521 in words is "two billion, four hundred fifty million, three hundred forty-three thousand, five hundred twenty-one".