61361154 has 12 divisors (see below), whose sum is σ = 132949206. Its totient is φ = 20453712.

The previous prime is 61361149. The next prime is 61361161. The reversal of 61361154 is 45116316.

It can be written as a sum of positive squares in only one way, i.e., 61261929 + 99225 = 7827^2 + 315^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1704459 + ... + 1704494.

Almost surely, 2^61361154 is an apocalyptic number.

61361154 is an abundant number, since it is smaller than the sum of its proper divisors (71588052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61361154 is a wasteful number, since it uses less digits than its factorization.

61361154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3408961 (or 3408958 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 61361154 is about 7833.3360709215. The cubic root of 61361154 is about 394.4250654031.

The spelling of 61361154 in words is "sixty-one million, three hundred sixty-one thousand, one hundred fifty-four".