1654513361 has 2 divisors, whose sum is σ = 1654513362. Its totient is φ = 1654513360.

The previous prime is 1654513337. The next prime is 1654513387. The reversal of 1654513361 is 1633154561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 849372736 + 805140625 = 29144^2 + 28375^2 .

It is a cyclic number.

It is not a de Polignac number, because 1654513361 - 2¹⁸ = 1654251217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1654513061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827256680 + 827256681.

It is an arithmetic number, because the mean of its divisors is an integer number (827256681).

Almost surely, 2^1654513361 is an apocalyptic number.

It is an amenable number.

1654513361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1654513361 is an equidigital number, since it uses as much as digits as its factorization.

1654513361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 35.

The square root of 1654513361 is about 40675.7097172256. The cubic root of 1654513361 is about 1182.7422007006.

The spelling of 1654513361 in words is "one billion, six hundred fifty-four million, five hundred thirteen thousand, three hundred sixty-one".