2251006450 has 48 divisors (see below), whose sum is σ = 5220005184. Its totient is φ = 701611200.

The previous prime is 2251006421. The next prime is 2251006451. The reversal of 2251006450 is 546001522.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (2251006451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 288489 + ... + 296188.

It is an arithmetic number, because the mean of its divisors is an integer number (108750108).

Almost surely, 2^2251006450 is an apocalyptic number.

2251006450 is an abundant number, since it is smaller than the sum of its proper divisors (2968998734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2251006450 is a wasteful number, since it uses less digits than its factorization.

2251006450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584707 (or 584702 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2251006450 is about 47444.7726309232. The cubic root of 2251006450 is about 1310.5660491038.

Adding to 2251006450 its reverse (546001522), we get a palindrome (2797007972).

The spelling of 2251006450 in words is "two billion, two hundred fifty-one million, six thousand, four hundred fifty".