1653266141 has 2 divisors, whose sum is σ = 1653266142. Its totient is φ = 1653266140.

The previous prime is 1653266119. The next prime is 1653266149. The reversal of 1653266141 is 1416623561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 838392025 + 814874116 = 28955^2 + 28546^2 .

It is a cyclic number.

It is not a de Polignac number, because 1653266141 - 2⁶ = 1653266077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1653266149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826633070 + 826633071.

It is an arithmetic number, because the mean of its divisors is an integer number (826633071).

Almost surely, 2^1653266141 is an apocalyptic number.

It is an amenable number.

1653266141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1653266141 is an equidigital number, since it uses as much as digits as its factorization.

1653266141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 35.

The square root of 1653266141 is about 40660.3755639320. The cubic root of 1653266141 is about 1182.4449309041. Note that the first 3 decimals are identical.

The spelling of 1653266141 in words is "one billion, six hundred fifty-three million, two hundred sixty-six thousand, one hundred forty-one".