2251241205 has 32 divisors (see below), whose sum is σ = 3696969600. Its totient is φ = 1169405952.

The previous prime is 2251241147. The next prime is 2251241207. The reversal of 2251241205 is 5021421522.

It is not a de Polignac number, because 2251241205 - 2³¹ = 103757557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251241207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76861 + ... + 102029.

It is an arithmetic number, because the mean of its divisors is an integer number (115530300).

Almost surely, 2^2251241205 is an apocalyptic number.

It is an amenable number.

2251241205 is a deficient number, since it is larger than the sum of its proper divisors (1445728395).

2251241205 is a wasteful number, since it uses less digits than its factorization.

2251241205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25333.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 2251241205 is about 47447.2465481402. The cubic root of 2251241205 is about 1310.6116066866.

Adding to 2251241205 its reverse (5021421522), we get a palindrome (7272662727).

The spelling of 2251241205 in words is "two billion, two hundred fifty-one million, two hundred forty-one thousand, two hundred five".