2251548506 has 16 divisors (see below), whose sum is σ = 3436333440. Its totient is φ = 1106239680.

The previous prime is 2251548449. The next prime is 2251548511. The reversal of 2251548506 is 6058451522.

It is a self number, because there is not a number n which added to its sum of digits gives 2251548506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431 + ... + 67106.

It is an arithmetic number, because the mean of its divisors is an integer number (214770840).

Almost surely, 2^2251548506 is an apocalyptic number.

2251548506 is a deficient number, since it is larger than the sum of its proper divisors (1184784934).

2251548506 is a wasteful number, since it uses less digits than its factorization.

2251548506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67829.

The product of its (nonzero) digits is 96000, while the sum is 38.

The square root of 2251548506 is about 47450.4847815067. The cubic root of 2251548506 is about 1310.6712380775.

The spelling of 2251548506 in words is "two billion, two hundred fifty-one million, five hundred forty-eight thousand, five hundred six".