61533284 has 6 divisors (see below), whose sum is σ = 107683254. Its totient is φ = 30766640.

The previous prime is 61533281. The next prime is 61533287. The reversal of 61533284 is 48233516.

It is an interprime number because it is at equal distance from previous prime (61533281) and next prime (61533287).

It can be written as a sum of positive squares in only one way, i.e., 46104100 + 15429184 = 6790^2 + 3928^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 61533284.

It is not an unprimeable number, because it can be changed into a prime (61533281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7691657 + ... + 7691664.

It is an arithmetic number, because the mean of its divisors is an integer number (17947209).

Almost surely, 2^61533284 is an apocalyptic number.

It is an amenable number.

61533284 is a deficient number, since it is larger than the sum of its proper divisors (46149970).

61533284 is a wasteful number, since it uses less digits than its factorization.

61533284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15383325 (or 15383323 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 61533284 is about 7844.3153939652. The cubic root of 61533284 is about 394.7935341440.

The spelling of 61533284 in words is "sixty-one million, five hundred thirty-three thousand, two hundred eighty-four".