1653149 has 2 divisors, whose sum is σ = 1653150. Its totient is φ = 1653148.

The previous prime is 1653109. The next prime is 1653167. The reversal of 1653149 is 9413561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1249924 + 403225 = 1118^2 + 635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1653149 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1653109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826574 + 826575.

It is an arithmetic number, because the mean of its divisors is an integer number (826575).

2^1653149 is an apocalyptic number.

It is an amenable number.

1653149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1653149 is an equidigital number, since it uses as much as digits as its factorization.

1653149 is an evil number, because the sum of its binary digits is even.

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

The square root of 1653149 is about 1285.7484201818. The cubic root of 1653149 is about 118.2417003145.

The spelling of 1653149 in words is "one million, six hundred fifty-three thousand, one hundred forty-nine".