61016255 has 4 divisors (see below), whose sum is σ = 73219512. Its totient is φ = 48813000.

The previous prime is 61016243. The next prime is 61016257. The reversal of 61016255 is 55261016.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 61016255 - 2⁶ = 61016191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61016257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6101621 + ... + 6101630.

It is an arithmetic number, because the mean of its divisors is an integer number (18304878).

Almost surely, 2^61016255 is an apocalyptic number.

61016255 is a deficient number, since it is larger than the sum of its proper divisors (12203257).

61016255 is a wasteful number, since it uses less digits than its factorization.

61016255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12203256.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 61016255 is about 7811.2902263327. The cubic root of 61016255 is about 393.6846811948.

The spelling of 61016255 in words is "sixty-one million, sixteen thousand, two hundred fifty-five".