152871661 has 2 divisors, whose sum is σ = 152871662. Its totient is φ = 152871660.

The previous prime is 152871619. The next prime is 152871671. The reversal of 152871661 is 166178251.

152871661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151142436 + 1729225 = 12294^2 + 1315^2 .

It is an emirp because it is prime and its reverse (166178251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152871661 - 2¹⁵ = 152838893 is a prime.

It is a super-3 number, since 3×152871661³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 152871661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152871611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76435830 + 76435831.

It is an arithmetic number, because the mean of its divisors is an integer number (76435831).

Almost surely, 2^152871661 is an apocalyptic number.

It is an amenable number.

152871661 is a deficient number, since it is larger than the sum of its proper divisors (1).

152871661 is an equidigital number, since it uses as much as digits as its factorization.

152871661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 37.

The square root of 152871661 is about 12364.1279918966. The cubic root of 152871661 is about 534.6985357252.

The spelling of 152871661 in words is "one hundred fifty-two million, eight hundred seventy-one thousand, six hundred sixty-one".