1652153561 has 2 divisors, whose sum is σ = 1652153562. Its totient is φ = 1652153560.

The previous prime is 1652153557. The next prime is 1652153609. The reversal of 1652153561 is 1653512561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1305449161 + 346704400 = 36131^2 + 18620^2 .

It is a cyclic number.

It is not a de Polignac number, because 1652153561 - 2² = 1652153557 is a prime.

It is a super-2 number, since 2×1652153561² = 5459222778249961442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1652153161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826076780 + 826076781.

It is an arithmetic number, because the mean of its divisors is an integer number (826076781).

Almost surely, 2^1652153561 is an apocalyptic number.

It is an amenable number.

1652153561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1652153561 is an equidigital number, since it uses as much as digits as its factorization.

1652153561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27000, while the sum is 35.

The square root of 1652153561 is about 40646.6918826120. The cubic root of 1652153561 is about 1182.1796258077.

The spelling of 1652153561 in words is "one billion, six hundred fifty-two million, one hundred fifty-three thousand, five hundred sixty-one".