1651532653 has 2 divisors, whose sum is σ = 1651532654. Its totient is φ = 1651532652.

The previous prime is 1651532627. The next prime is 1651532689. The reversal of 1651532653 is 3562351561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1638873289 + 12659364 = 40483^2 + 3558^2 .

It is a cyclic number.

It is not a de Polignac number, because 1651532653 - 2⁵ = 1651532621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1651532693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 825766326 + 825766327.

It is an arithmetic number, because the mean of its divisors is an integer number (825766327).

Almost surely, 2^1651532653 is an apocalyptic number.

It is an amenable number.

1651532653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1651532653 is an equidigital number, since it uses as much as digits as its factorization.

1651532653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81000, while the sum is 37.

The square root of 1651532653 is about 40639.0532985206. The cubic root of 1651532653 is about 1182.0315127072.

The spelling of 1651532653 in words is "one billion, six hundred fifty-one million, five hundred thirty-two thousand, six hundred fifty-three".