61616265 has 8 divisors (see below), whose sum is σ = 98586048. Its totient is φ = 32862000.

The previous prime is 61616257. The next prime is 61616311. The reversal of 61616265 is 56261616.

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

It is not a de Polignac number, because 61616265 - 2³ = 61616257 is a prime.

It is a super-2 number, since 2×61616265² = 7593128225100450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2053861 + ... + 2053890.

It is an arithmetic number, because the mean of its divisors is an integer number (12323256).

Almost surely, 2^61616265 is an apocalyptic number.

It is an amenable number.

61616265 is a deficient number, since it is larger than the sum of its proper divisors (36969783).

61616265 is a wasteful number, since it uses less digits than its factorization.

61616265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4107759.

The product of its digits is 12960, while the sum is 33.

The square root of 61616265 is about 7849.6028561960. The cubic root of 61616265 is about 394.9709213225.

The spelling of 61616265 in words is "sixty-one million, six hundred sixteen thousand, two hundred sixty-five".