61127545 has 8 divisors (see below), whose sum is σ = 73408896. Its totient is φ = 48864816.

The previous prime is 61127543. The next prime is 61127581. The reversal of 61127545 is 54572116.

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 61127545 - 2¹ = 61127543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61127543) 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, 4054 + ... + 11776.

It is an arithmetic number, because the mean of its divisors is an integer number (9176112).

Almost surely, 2^61127545 is an apocalyptic number.

It is an amenable number.

61127545 is a deficient number, since it is larger than the sum of its proper divisors (12281351).

61127545 is a wasteful number, since it uses less digits than its factorization.

61127545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9311.

The product of its digits is 8400, while the sum is 31.

The square root of 61127545 is about 7818.4106441143. The cubic root of 61127545 is about 393.9238882586.

The spelling of 61127545 in words is "sixty-one million, one hundred twenty-seven thousand, five hundred forty-five".