5725497321 has 12 divisors (see below), whose sum is σ = 8270819440. Its totient is φ = 3816695160.

The previous prime is 5725497319. The next prime is 5725497329. The reversal of 5725497321 is 1237945275.

It is a happy number.

5725497321 is a `hidden beast` number, since 5 + 72 + 549 + 7 + 32 + 1 = 666.

It is not a de Polignac number, because 5725497321 - 2¹ = 5725497319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5725497329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202470 + ... + 229008.

Almost surely, 2^5725497321 is an apocalyptic number.

It is an amenable number.

5725497321 is a deficient number, since it is larger than the sum of its proper divisors (2545322119).

5725497321 is a wasteful number, since it uses less digits than its factorization.

5725497321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50516 (or 50513 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 5725497321 is about 75667.0160704121. The cubic root of 5725497321 is about 1788.9755507298.

The spelling of 5725497321 in words is "five billion, seven hundred twenty-five million, four hundred ninety-seven thousand, three hundred twenty-one".