61247552 has 14 divisors (see below), whose sum is σ = 121538238. Its totient is φ = 30623744.

The previous prime is 61247521. The next prime is 61247561. The reversal of 61247552 is 25574216.

It can be written as a sum of positive squares in only one way, i.e., 59845696 + 1401856 = 7736^2 + 1184^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478433 + ... + 478560.

Almost surely, 2^61247552 is an apocalyptic number.

It is an amenable number.

61247552 is a deficient number, since it is larger than the sum of its proper divisors (60290686).

61247552 is an equidigital number, since it uses as much as digits as its factorization.

61247552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957005 (or 956995 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 61247552 is about 7826.0815227034. The cubic root of 61247552 is about 394.1815065523.

The spelling of 61247552 in words is "sixty-one million, two hundred forty-seven thousand, five hundred fifty-two".