61232947 has 2 divisors, whose sum is σ = 61232948. Its totient is φ = 61232946.

The previous prime is 61232909. The next prime is 61232981. The reversal of 61232947 is 74923216.

It is an a-pointer prime, because the next prime (61232981) can be obtained adding 61232947 to its sum of digits (34).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61232947 - 2⁷ = 61232819 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (61232047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30616473 + 30616474.

It is an arithmetic number, because the mean of its divisors is an integer number (30616474).

Almost surely, 2^61232947 is an apocalyptic number.

61232947 is a deficient number, since it is larger than the sum of its proper divisors (1).

61232947 is an equidigital number, since it uses as much as digits as its factorization.

61232947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 61232947 is about 7825.1483692004. The cubic root of 61232947 is about 394.1501720833.

The spelling of 61232947 in words is "sixty-one million, two hundred thirty-two thousand, nine hundred forty-seven".