61324481 has 2 divisors, whose sum is σ = 61324482. Its totient is φ = 61324480.

The previous prime is 61324469. The next prime is 61324511. The reversal of 61324481 is 18442316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38130625 + 23193856 = 6175^2 + 4816^2 .

It is a cyclic number.

It is not a de Polignac number, because 61324481 - 2¹⁴ = 61308097 is a prime.

It is a super-2 number, since 2×61324481² = 7521383939838722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61324441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30662240 + 30662241.

It is an arithmetic number, because the mean of its divisors is an integer number (30662241).

Almost surely, 2^61324481 is an apocalyptic number.

It is an amenable number.

61324481 is a deficient number, since it is larger than the sum of its proper divisors (1).

61324481 is an equidigital number, since it uses as much as digits as its factorization.

61324481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 29.

The square root of 61324481 is about 7830.9948920939. The cubic root of 61324481 is about 394.3464726122.

Adding to 61324481 its reverse (18442316), we get a palindrome (79766797).

The spelling of 61324481 in words is "sixty-one million, three hundred twenty-four thousand, four hundred eighty-one".