1653000149 has 2 divisors, whose sum is σ = 1653000150. Its totient is φ = 1653000148.

The previous prime is 1653000137. The next prime is 1653000163. The reversal of 1653000149 is 9410003561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1141426225 + 511573924 = 33785^2 + 22618^2 .

It is a cyclic number.

It is not a de Polignac number, because 1653000149 - 2⁸ = 1652999893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1653000169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826500074 + 826500075.

It is an arithmetic number, because the mean of its divisors is an integer number (826500075).

Almost surely, 2^1653000149 is an apocalyptic number.

It is an amenable number.

1653000149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1653000149 is an equidigital number, since it uses as much as digits as its factorization.

1653000149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1653000149 is about 40657.1045329104. The cubic root of 1653000149 is about 1182.3815134556.

The spelling of 1653000149 in words is "one billion, six hundred fifty-three million, one hundred forty-nine", and thus it is an aban number.