61235201 has 4 divisors (see below), whose sum is σ = 61296900. Its totient is φ = 61173504.

The previous prime is 61235197. The next prime is 61235203. The reversal of 61235201 is 10253216.

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 28344976 + 32890225 = 5324^2 + 5735^2 .

It is a cyclic number.

It is not a de Polignac number, because 61235201 - 2² = 61235197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61235203) 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, 29336 + ... + 31353.

It is an arithmetic number, because the mean of its divisors is an integer number (15324225).

It is a Proth number, since it is equal to 7475 ⋅ 2¹³ + 1 and 7475 < 2¹³.

Almost surely, 2^61235201 is an apocalyptic number.

It is an amenable number.

61235201 is a deficient number, since it is larger than the sum of its proper divisors (61699).

61235201 is a wasteful number, since it uses less digits than its factorization.

61235201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61698.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 61235201 is about 7825.2923907034. The cubic root of 61235201 is about 394.1550082792.

Adding to 61235201 its reverse (10253216), we get a palindrome (71488417).

The spelling of 61235201 in words is "sixty-one million, two hundred thirty-five thousand, two hundred one".