2251142365 has 8 divisors (see below), whose sum is σ = 2818821888. Its totient is φ = 1722613200.

The previous prime is 2251142347. The next prime is 2251142389. The reversal of 2251142365 is 5632411522.

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

It is not a de Polignac number, because 2251142365 - 2¹³ = 2251134173 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 9787461 + ... + 9787690.

It is an arithmetic number, because the mean of its divisors is an integer number (352352736).

Almost surely, 2^2251142365 is an apocalyptic number.

It is an amenable number.

2251142365 is a deficient number, since it is larger than the sum of its proper divisors (567679523).

2251142365 is a wasteful number, since it uses less digits than its factorization.

2251142365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19575179.

The product of its digits is 14400, while the sum is 31.

The square root of 2251142365 is about 47446.2049588795. The cubic root of 2251142365 is about 1310.5924257496.

Adding to 2251142365 its reverse (5632411522), we get a palindrome (7883553887).

The spelling of 2251142365 in words is "two billion, two hundred fifty-one million, one hundred forty-two thousand, three hundred sixty-five".