2251435245 has 8 divisors (see below), whose sum is σ = 3602296416. Its totient is φ = 1200765456.

The previous prime is 2251435231. The next prime is 2251435261. The reversal of 2251435245 is 5425341522.

It is a happy number.

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

It is not a de Polignac number, because 2251435245 - 2⁶ = 2251435181 is a prime.

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, 75047827 + ... + 75047856.

It is an arithmetic number, because the mean of its divisors is an integer number (450287052).

Almost surely, 2^2251435245 is an apocalyptic number.

It is an amenable number.

2251435245 is a deficient number, since it is larger than the sum of its proper divisors (1350861171).

2251435245 is a wasteful number, since it uses less digits than its factorization.

2251435245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150095691.

The product of its digits is 48000, while the sum is 33.

The square root of 2251435245 is about 47449.2913013461. The cubic root of 2251435245 is about 1310.6492605476.

Adding to 2251435245 its reverse (5425341522), we get a palindrome (7676776767).

The spelling of 2251435245 in words is "two billion, two hundred fifty-one million, four hundred thirty-five thousand, two hundred forty-five".