61075255 has 8 divisors (see below), whose sum is σ = 73598400. Its totient is φ = 48654816.

The previous prime is 61075243. The next prime is 61075277. The reversal of 61075255 is 55257016.

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

It is a cyclic number.

It is not a de Polignac number, because 61075255 - 2²¹ = 58978103 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24360 + ... + 26749.

It is an arithmetic number, because the mean of its divisors is an integer number (9199800).

Almost surely, 2^61075255 is an apocalyptic number.

61075255 is a deficient number, since it is larger than the sum of its proper divisors (12523145).

61075255 is a wasteful number, since it uses less digits than its factorization.

61075255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51353.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 61075255 is about 7815.0658986345. The cubic root of 61075255 is about 393.8115321659.

The spelling of 61075255 in words is "sixty-one million, seventy-five thousand, two hundred fifty-five".