1654634141 has 2 divisors, whose sum is σ = 1654634142. Its totient is φ = 1654634140.

The previous prime is 1654634119. The next prime is 1654634153. The reversal of 1654634141 is 1414364561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1337438041 + 317196100 = 36571^2 + 17810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1654634141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1654634101) by changing a digit.

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 as a sum of consecutive naturals, namely, 827317070 + 827317071.

It is an arithmetic number, because the mean of its divisors is an integer number (827317071).

Almost surely, 2^1654634141 is an apocalyptic number.

It is an amenable number.

1654634141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1654634141 is an equidigital number, since it uses as much as digits as its factorization.

1654634141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 35.

The square root of 1654634141 is about 40677.1943599851. The cubic root of 1654634141 is about 1182.7709801856.

The spelling of 1654634141 in words is "one billion, six hundred fifty-four million, six hundred thirty-four thousand, one hundred forty-one".