61849201 has 4 divisors (see below), whose sum is σ = 61866612. Its totient is φ = 61831792.

The previous prime is 61849189. The next prime is 61849211. The reversal of 61849201 is 10294816.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17640000 + 44209201 = 4200^2 + 6649^2 .

It is a cyclic number.

It is not a de Polignac number, because 61849201 - 2²⁵ = 28294769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61849211) 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, 1246 + ... + 11191.

It is an arithmetic number, because the mean of its divisors is an integer number (15466653).

Almost surely, 2^61849201 is an apocalyptic number.

It is an amenable number.

61849201 is a deficient number, since it is larger than the sum of its proper divisors (17411).

61849201 is a wasteful number, since it uses less digits than its factorization.

61849201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17410.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 61849201 is about 7864.4262982115. The cubic root of 61849201 is about 395.4680154610.

The spelling of 61849201 in words is "sixty-one million, eight hundred forty-nine thousand, two hundred one".