61029152 has 18 divisors (see below), whose sum is σ = 120238209. Its totient is φ = 30492480.

The previous prime is 61029139. The next prime is 61029191. The reversal of 61029152 is 25192016.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 60902416 + 126736 = 7804^2 + 356^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5524.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 43502 + ... + 44882.

Almost surely, 2^61029152 is an apocalyptic number.

It is an amenable number.

61029152 is a deficient number, since it is larger than the sum of its proper divisors (59209057).

61029152 is an frugal number, since it uses more digits than its factorization.

61029152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2772 (or 1383 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 61029152 is about 7812.1157185490. The cubic root of 61029152 is about 393.7124169386.

The spelling of 61029152 in words is "sixty-one million, twenty-nine thousand, one hundred fifty-two".