61071355 has 8 divisors (see below), whose sum is σ = 74109600. Its totient is φ = 48307776.

The previous prime is 61071341. The next prime is 61071359. The reversal of 61071355 is 55317016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61071355 - 2⁹ = 61070843 is a prime.

It is a super-3 number, since 3×61071355³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (61071359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68175 + ... + 69064.

It is an arithmetic number, because the mean of its divisors is an integer number (9263700).

Almost surely, 2^61071355 is an apocalyptic number.

61071355 is a deficient number, since it is larger than the sum of its proper divisors (13038245).

61071355 is a wasteful number, since it uses less digits than its factorization.

61071355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137333.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 61071355 is about 7814.8163766016. The cubic root of 61071355 is about 393.8031496239.

The spelling of 61071355 in words is "sixty-one million, seventy-one thousand, three hundred fifty-five".