1652102009 has 2 divisors, whose sum is σ = 1652102010. Its totient is φ = 1652102008.

The previous prime is 1652101999. The next prime is 1652102027. The reversal of 1652102009 is 9002012561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 920940409 + 731161600 = 30347^2 + 27040^2 .

It is a cyclic number.

It is not a de Polignac number, because 1652102009 - 2⁴ = 1652101993 is a prime.

It is not a weakly prime, because it can be changed into another prime (1652102069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826051004 + 826051005.

It is an arithmetic number, because the mean of its divisors is an integer number (826051005).

Almost surely, 2^1652102009 is an apocalyptic number.

It is an amenable number.

1652102009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1652102009 is an equidigital number, since it uses as much as digits as its factorization.

1652102009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1652102009 is about 40646.0577301170. The cubic root of 1652102009 is about 1182.1673298647.

The spelling of 1652102009 in words is "one billion, six hundred fifty-two million, one hundred two thousand, nine".