61242201 has 6 divisors (see below), whose sum is σ = 88460970. Its totient is φ = 40828128.

The previous prime is 61242193. The next prime is 61242227. The reversal of 61242201 is 10224216.

It can be written as a sum of positive squares in only one way, i.e., 61214976 + 27225 = 7824^2 + 165^2 .

It is not a de Polignac number, because 61242201 - 2³ = 61242193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61242241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3402336 + ... + 3402353.

It is an arithmetic number, because the mean of its divisors is an integer number (14743495).

Almost surely, 2^61242201 is an apocalyptic number.

It is an amenable number.

61242201 is a deficient number, since it is larger than the sum of its proper divisors (27218769).

61242201 is a wasteful number, since it uses less digits than its factorization.

61242201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6804695 (or 6804692 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 61242201 is about 7825.7396455543. The cubic root of 61242201 is about 394.1700267647.

Adding to 61242201 its reverse (10224216), we get a palindrome (71466417).

The spelling of 61242201 in words is "sixty-one million, two hundred forty-two thousand, two hundred one".