1652655181 has 2 divisors, whose sum is σ = 1652655182. Its totient is φ = 1652655180.

The previous prime is 1652655049. The next prime is 1652655197. The reversal of 1652655181 is 1815562561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1620062500 + 32592681 = 40250^2 + 5709^2 .

It is an emirp because it is prime and its reverse (1815562561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1652655181 - 2²¹ = 1650558029 is a prime.

It is a super-2 number, since 2×1652655181² = 5462538294572285522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1652655281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826327590 + 826327591.

It is an arithmetic number, because the mean of its divisors is an integer number (826327591).

Almost surely, 2^1652655181 is an apocalyptic number.

It is an amenable number.

1652655181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1652655181 is an equidigital number, since it uses as much as digits as its factorization.

1652655181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72000, while the sum is 40.

The square root of 1652655181 is about 40652.8619041759. The cubic root of 1652655181 is about 1182.2992565234.

The spelling of 1652655181 in words is "one billion, six hundred fifty-two million, six hundred fifty-five thousand, one hundred eighty-one".