61235947 has 2 divisors, whose sum is σ = 61235948. Its totient is φ = 61235946.

The previous prime is 61235939. The next prime is 61235953. The reversal of 61235947 is 74953216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61235947 - 2³ = 61235939 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61235957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30617973 + 30617974.

It is an arithmetic number, because the mean of its divisors is an integer number (30617974).

Almost surely, 2^61235947 is an apocalyptic number.

61235947 is a deficient number, since it is larger than the sum of its proper divisors (1).

61235947 is an equidigital number, since it uses as much as digits as its factorization.

61235947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 61235947 is about 7825.3400565087. The cubic root of 61235947 is about 394.1566088751.

The spelling of 61235947 in words is "sixty-one million, two hundred thirty-five thousand, nine hundred forty-seven".