601557149 has 4 divisors (see below), whose sum is σ = 601763136. Its totient is φ = 601351164.

The previous prime is 601557133. The next prime is 601557193. The reversal of 601557149 is 941755106.

601557149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 601557149 - 2⁴ = 601557133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601557349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98549 + ... + 104474.

It is an arithmetic number, because the mean of its divisors is an integer number (150440784).

Almost surely, 2^601557149 is an apocalyptic number.

It is an amenable number.

601557149 is a deficient number, since it is larger than the sum of its proper divisors (205987).

601557149 is a wasteful number, since it uses less digits than its factorization.

601557149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205986.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 601557149 is about 24526.6620028083. The cubic root of 601557149 is about 844.1616740850.

The spelling of 601557149 in words is "six hundred one million, five hundred fifty-seven thousand, one hundred forty-nine".