61752247 has 2 divisors, whose sum is σ = 61752248. Its totient is φ = 61752246.

The previous prime is 61752241. The next prime is 61752253. The reversal of 61752247 is 74225716.

It is a balanced prime because it is at equal distance from previous prime (61752241) and next prime (61752253).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61752247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61752241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30876123 + 30876124.

It is an arithmetic number, because the mean of its divisors is an integer number (30876124).

Almost surely, 2^61752247 is an apocalyptic number.

61752247 is a deficient number, since it is larger than the sum of its proper divisors (1).

61752247 is an equidigital number, since it uses as much as digits as its factorization.

61752247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23520, while the sum is 34.

The square root of 61752247 is about 7858.2597946365. The cubic root of 61752247 is about 395.2612638903.

The spelling of 61752247 in words is "sixty-one million, seven hundred fifty-two thousand, two hundred forty-seven".