61127851 has 2 divisors, whose sum is σ = 61127852. Its totient is φ = 61127850.

The previous prime is 61127839. The next prime is 61127879. The reversal of 61127851 is 15872116.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61127851 - 2⁵ = 61127819 is a prime.

It is a super-2 number, since 2×61127851² = 7473228335756402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61127821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30563925 + 30563926.

It is an arithmetic number, because the mean of its divisors is an integer number (30563926).

Almost surely, 2^61127851 is an apocalyptic number.

61127851 is a deficient number, since it is larger than the sum of its proper divisors (1).

61127851 is an equidigital number, since it uses as much as digits as its factorization.

61127851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 31.

The square root of 61127851 is about 7818.4302132845. The cubic root of 61127851 is about 393.9245455755.

Adding to 61127851 its reverse (15872116), we get a palindrome (76999967).

The spelling of 61127851 in words is "sixty-one million, one hundred twenty-seven thousand, eight hundred fifty-one".