61414561 has 8 divisors (see below), whose sum is σ = 67926824. Its totient is φ = 55157760.

The previous prime is 61414559. The next prime is 61414601. The reversal of 61414561 is 16541416.

It can be written as a sum of positive squares in 4 ways, for example, as 7480225 + 53934336 = 2735^2 + 7344^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61414561 - 2¹ = 61414559 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61414261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63360 + ... + 64321.

It is an arithmetic number, because the mean of its divisors is an integer number (8490853).

Almost surely, 2^61414561 is an apocalyptic number.

It is an amenable number.

61414561 is a deficient number, since it is larger than the sum of its proper divisors (6512263).

61414561 is a wasteful number, since it uses less digits than its factorization.

61414561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127731.

The product of its digits is 2880, while the sum is 28.

The square root of 61414561 is about 7836.7442857350. The cubic root of 61414561 is about 394.5394643323.

Adding to 61414561 its reverse (16541416), we get a palindrome (77955977).

The spelling of 61414561 in words is "sixty-one million, four hundred fourteen thousand, five hundred sixty-one".