61161827 has 2 divisors, whose sum is σ = 61161828. Its totient is φ = 61161826.

The previous prime is 61161823. The next prime is 61161887. The reversal of 61161827 is 72816116.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61161827 - 2² = 61161823 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 61161793 and 61161802.

It is not a weakly prime, because it can be changed into another prime (61161823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30580913 + 30580914.

It is an arithmetic number, because the mean of its divisors is an integer number (30580914).

Almost surely, 2^61161827 is an apocalyptic number.

61161827 is a deficient number, since it is larger than the sum of its proper divisors (1).

61161827 is an equidigital number, since it uses as much as digits as its factorization.

61161827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 32.

The square root of 61161827 is about 7820.6027261331. The cubic root of 61161827 is about 393.9975155950.

The spelling of 61161827 in words is "sixty-one million, one hundred sixty-one thousand, eight hundred twenty-seven".