60155489 has 2 divisors, whose sum is σ = 60155490. Its totient is φ = 60155488.

The previous prime is 60155479. The next prime is 60155519. The reversal of 60155489 is 98455106.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39589264 + 20566225 = 6292^2 + 4535^2 .

It is a cyclic number.

It is not a de Polignac number, because 60155489 - 2⁸ = 60155233 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (60155449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30077744 + 30077745.

It is an arithmetic number, because the mean of its divisors is an integer number (30077745).

Almost surely, 2^60155489 is an apocalyptic number.

It is an amenable number.

60155489 is a deficient number, since it is larger than the sum of its proper divisors (1).

60155489 is an equidigital number, since it uses as much as digits as its factorization.

60155489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 60155489 is about 7755.9969700871. The cubic root of 60155489 is about 391.8246495514.

The spelling of 60155489 in words is "sixty million, one hundred fifty-five thousand, four hundred eighty-nine".