61301849 has 16 divisors (see below), whose sum is σ = 73061376. Its totient is φ = 50328000.

The previous prime is 61301803. The next prime is 61301857. The reversal of 61301849 is 94810316.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 61301849 - 2²⁰ = 60253273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61301879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20519 + ... + 23315.

It is an arithmetic number, because the mean of its divisors is an integer number (4566336).

Almost surely, 2^61301849 is an apocalyptic number.

It is an amenable number.

61301849 is a deficient number, since it is larger than the sum of its proper divisors (11759527).

61301849 is a wasteful number, since it uses less digits than its factorization.

61301849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 61301849 is about 7829.5497316257. The cubic root of 61301849 is about 394.2979550253.

The spelling of 61301849 in words is "sixty-one million, three hundred one thousand, eight hundred forty-nine".