61464541 has 2 divisors, whose sum is σ = 61464542. Its totient is φ = 61464540.

The previous prime is 61464521. The next prime is 61464569. The reversal of 61464541 is 14546416.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39879225 + 21585316 = 6315^2 + 4646^2 .

It is a cyclic number.

It is not a de Polignac number, because 61464541 - 2⁵ = 61464509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61464521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30732270 + 30732271.

It is an arithmetic number, because the mean of its divisors is an integer number (30732271).

Almost surely, 2^61464541 is an apocalyptic number.

It is an amenable number.

61464541 is a deficient number, since it is larger than the sum of its proper divisors (1).

61464541 is an equidigital number, since it uses as much as digits as its factorization.

61464541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 31.

The square root of 61464541 is about 7839.9324614438. The cubic root of 61464541 is about 394.6464624953.

The spelling of 61464541 in words is "sixty-one million, four hundred sixty-four thousand, five hundred forty-one".