61163153 has 2 divisors, whose sum is σ = 61163154. Its totient is φ = 61163152.

The previous prime is 61163111. The next prime is 61163213. The reversal of 61163153 is 35136116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43665664 + 17497489 = 6608^2 + 4183^2 .

It is a cyclic number.

It is not a de Polignac number, because 61163153 - 2²⁴ = 44385937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (61063153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30581576 + 30581577.

It is an arithmetic number, because the mean of its divisors is an integer number (30581577).

Almost surely, 2^61163153 is an apocalyptic number.

It is an amenable number.

61163153 is a deficient number, since it is larger than the sum of its proper divisors (1).

61163153 is an equidigital number, since it uses as much as digits as its factorization.

61163153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 26.

The square root of 61163153 is about 7820.6875017482. The cubic root of 61163153 is about 394.0003628880. Note that the first 3 decimals are identical.

Adding to 61163153 its reverse (35136116), we get a palindrome (96299269).

It can be divided in two parts, 61163 and 153, that added together give a palindrome (61316).

The spelling of 61163153 in words is "sixty-one million, one hundred sixty-three thousand, one hundred fifty-three".