1651249153 has 2 divisors, whose sum is σ = 1651249154. Its totient is φ = 1651249152.

The previous prime is 1651249133. The next prime is 1651249247. The reversal of 1651249153 is 3519421561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1097729424 + 553519729 = 33132^2 + 23527^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1651249153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1651249133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 825624576 + 825624577.

It is an arithmetic number, because the mean of its divisors is an integer number (825624577).

Almost surely, 2^1651249153 is an apocalyptic number.

It is an amenable number.

1651249153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1651249153 is an equidigital number, since it uses as much as digits as its factorization.

1651249153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 37.

The square root of 1651249153 is about 40635.5651246540. The cubic root of 1651249153 is about 1181.9638734935.

The spelling of 1651249153 in words is "one billion, six hundred fifty-one million, two hundred forty-nine thousand, one hundred fifty-three".