60161509 has 2 divisors, whose sum is σ = 60161510. Its totient is φ = 60161508.

The previous prime is 60161503. The next prime is 60161527. The reversal of 60161509 is 90516106.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59444100 + 717409 = 7710^2 + 847^2 .

It is a cyclic number.

It is not a de Polignac number, because 60161509 - 2³ = 60161501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60161501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30080754 + 30080755.

It is an arithmetic number, because the mean of its divisors is an integer number (30080755).

Almost surely, 2^60161509 is an apocalyptic number.

It is an amenable number.

60161509 is a deficient number, since it is larger than the sum of its proper divisors (1).

60161509 is an equidigital number, since it uses as much as digits as its factorization.

60161509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 60161509 is about 7756.3850471724. The cubic root of 60161509 is about 391.8377196012.

The spelling of 60161509 in words is "sixty million, one hundred sixty-one thousand, five hundred nine".