61532241 has 32 divisors (see below), whose sum is σ = 90316800. Its totient is φ = 37117440.

The previous prime is 61532239. The next prime is 61532243. The reversal of 61532241 is 14223516.

61532241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61532239) and next prime (61532243).

It is not a de Polignac number, because 61532241 - 2¹ = 61532239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61532243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171220 + ... + 171578.

It is an arithmetic number, because the mean of its divisors is an integer number (2822400).

Almost surely, 2^61532241 is an apocalyptic number.

It is an amenable number.

61532241 is a deficient number, since it is larger than the sum of its proper divisors (28784559).

61532241 is a wasteful number, since it uses less digits than its factorization.

61532241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509.

The product of its digits is 1440, while the sum is 24.

The square root of 61532241 is about 7844.2489124199. The cubic root of 61532241 is about 394.7913035247.

Adding to 61532241 its reverse (14223516), we get a palindrome (75755757).

The spelling of 61532241 in words is "sixty-one million, five hundred thirty-two thousand, two hundred forty-one".