1651500005 has 16 divisors (see below), whose sum is σ = 2006256000. Its totient is φ = 1304994240.

The previous prime is 1651499957. The next prime is 1651500017. The reversal of 1651500005 is 5000051561.

It is not a de Polignac number, because 1651500005 - 2⁸ = 1651499749 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132335 + ... + 144275.

It is an arithmetic number, because the mean of its divisors is an integer number (125391000).

Almost surely, 2^1651500005 is an apocalyptic number.

It is an amenable number.

1651500005 is a deficient number, since it is larger than the sum of its proper divisors (354755995).

1651500005 is a wasteful number, since it uses less digits than its factorization.

1651500005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12284.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 1651500005 is about 40638.6516139500. The cubic root of 1651500005 is about 1182.0237237363.

Adding to 1651500005 its reverse (5000051561), we get a palindrome (6651551566).

The spelling of 1651500005 in words is "one billion, six hundred fifty-one million, five hundred thousand, five".