60521149 has 4 divisors (see below), whose sum is σ = 65176636. Its totient is φ = 55865664.

The previous prime is 60521143. The next prime is 60521179. The reversal of 60521149 is 94112506.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94112506 = 2 ⋅47056253.

It can be written as a sum of positive squares in 2 ways, for example, as 27825625 + 32695524 = 5275^2 + 5718^2 .

It is a cyclic number.

It is not a de Polignac number, because 60521149 - 2³ = 60521141 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 (60521141) 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, 2327724 + ... + 2327749.

It is an arithmetic number, because the mean of its divisors is an integer number (16294159).

Almost surely, 2^60521149 is an apocalyptic number.

It is an amenable number.

60521149 is a deficient number, since it is larger than the sum of its proper divisors (4655487).

60521149 is a wasteful number, since it uses less digits than its factorization.

60521149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4655486.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 60521149 is about 7779.5339834723. The cubic root of 60521149 is about 392.6169589374.

The spelling of 60521149 in words is "sixty million, five hundred twenty-one thousand, one hundred forty-nine".