2251435300 has 36 divisors (see below), whose sum is σ = 5054090580. Its totient is φ = 869518720.

The previous prime is 2251435279. The next prime is 2251435301. The reversal of 2251435300 is 35341522.

It can be written as a sum of positive squares in 6 ways, for example, as 134699236 + 2116736064 = 11606^2 + 46008^2 .

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 (2251435301) 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, 385279 + ... + 391078.

It is an arithmetic number, because the mean of its divisors is an integer number (140391405).

Almost surely, 2^2251435300 is an apocalyptic number.

2251435300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2251435300 is an abundant number, since it is smaller than the sum of its proper divisors (2802655280).

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

2251435300 is a wasteful number, since it uses less digits than its factorization.

2251435300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776400 (or 776393 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2251435300 is about 47449.2918809122. The cubic root of 2251435300 is about 1310.6492712201.

Adding to 2251435300 its reverse (35341522), we get a palindrome (2286776822).

The spelling of 2251435300 in words is "two billion, two hundred fifty-one million, four hundred thirty-five thousand, three hundred".