2551051465 has 8 divisors (see below), whose sum is σ = 3106952640. Its totient is φ = 2010380592.

The previous prime is 2551051453. The next prime is 2551051471. The reversal of 2551051465 is 5641501552.

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

It is a cyclic number.

It is not a de Polignac number, because 2551051465 - 2¹⁵ = 2551018697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2551051465.

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, 3807205 + ... + 3807874.

It is an arithmetic number, because the mean of its divisors is an integer number (388369080).

Almost surely, 2^2551051465 is an apocalyptic number.

It is an amenable number.

2551051465 is a deficient number, since it is larger than the sum of its proper divisors (555901175).

2551051465 is an equidigital number, since it uses as much as digits as its factorization.

2551051465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7615151.

The product of its (nonzero) digits is 30000, while the sum is 34.

The square root of 2551051465 is about 50507.9346736728. The cubic root of 2551051465 is about 1366.3849611387.

The spelling of 2551051465 in words is "two billion, five hundred fifty-one million, fifty-one thousand, four hundred sixty-five".