61227601 has 2 divisors, whose sum is σ = 61227602. Its totient is φ = 61227600.

The previous prime is 61227457. The next prime is 61227619. The reversal of 61227601 is 10672216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48094225 + 13133376 = 6935^2 + 3624^2 .

It is a cyclic number.

It is not a de Polignac number, because 61227601 - 2²⁵ = 27673169 is a prime.

It is equal to p_3630643 and since 61227601 and 3630643 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (61227401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30613800 + 30613801.

It is an arithmetic number, because the mean of its divisors is an integer number (30613801).

Almost surely, 2^61227601 is an apocalyptic number.

It is an amenable number.

61227601 is a deficient number, since it is larger than the sum of its proper divisors (1).

61227601 is an equidigital number, since it uses as much as digits as its factorization.

61227601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 61227601 is about 7824.8067707772. The cubic root of 61227601 is about 394.1387011990.

Adding to 61227601 its reverse (10672216), we get a palindrome (71899817).

The spelling of 61227601 in words is "sixty-one million, two hundred twenty-seven thousand, six hundred one".