2251500245 has 8 divisors (see below), whose sum is σ = 2819270016. Its totient is φ = 1722887056.

The previous prime is 2251500197. The next prime is 2251500257. The reversal of 2251500245 is 5420051522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2251500245 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9789017 + ... + 9789246.

It is an arithmetic number, because the mean of its divisors is an integer number (352408752).

Almost surely, 2^2251500245 is an apocalyptic number.

It is an amenable number.

2251500245 is a deficient number, since it is larger than the sum of its proper divisors (567769771).

2251500245 is a wasteful number, since it uses less digits than its factorization.

2251500245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19578291.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 2251500245 is about 47449.9762381395. The cubic root of 2251500245 is about 1310.6618734475.

Adding to 2251500245 its reverse (5420051522), we get a palindrome (7671551767).

The spelling of 2251500245 in words is "two billion, two hundred fifty-one million, five hundred thousand, two hundred forty-five".