61601049 has 12 divisors (see below), whose sum is σ = 89064612. Its totient is φ = 41028000.

The previous prime is 61601039. The next prime is 61601063. The reversal of 61601049 is 94010616.

61601049 is a `hidden beast` number, since 616 + 0 + 1 + 0 + 49 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16281225 + 45319824 = 4035^2 + 6732^2 .

It is not a de Polignac number, because 61601049 - 2¹³ = 61592857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61601009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9079 + ... + 14339.

It is an arithmetic number, because the mean of its divisors is an integer number (7422051).

Almost surely, 2^61601049 is an apocalyptic number.

It is an amenable number.

61601049 is a deficient number, since it is larger than the sum of its proper divisors (27463563).

61601049 is a wasteful number, since it uses less digits than its factorization.

61601049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6568 (or 6565 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 61601049 is about 7848.6335753429. The cubic root of 61601049 is about 394.9384062481.

The spelling of 61601049 in words is "sixty-one million, six hundred one thousand, forty-nine".