61947233 has 2 divisors, whose sum is σ = 61947234. Its totient is φ = 61947232.

The previous prime is 61947229. The next prime is 61947247. The reversal of 61947233 is 33274916.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55249489 + 6697744 = 7433^2 + 2588^2 .

It is a cyclic number.

It is not a de Polignac number, because 61947233 - 2² = 61947229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61947193 and 61947202.

It is not a weakly prime, because it can be changed into another prime (61947253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30973616 + 30973617.

It is an arithmetic number, because the mean of its divisors is an integer number (30973617).

Almost surely, 2^61947233 is an apocalyptic number.

It is an amenable number.

61947233 is a deficient number, since it is larger than the sum of its proper divisors (1).

61947233 is an equidigital number, since it uses as much as digits as its factorization.

61947233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 35.

The square root of 61947233 is about 7870.6564529269. The cubic root of 61947233 is about 395.6768462676.

The spelling of 61947233 in words is "sixty-one million, nine hundred forty-seven thousand, two hundred thirty-three".