8611257 has 8 divisors (see below), whose sum is σ = 11502400. Its totient is φ = 5730480.

The previous prime is 8611249. The next prime is 8611261. The reversal of 8611257 is 7521168.

8611257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 8611257 - 2³ = 8611249 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 (8611247) 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, 382 + ... + 4167.

It is an arithmetic number, because the mean of its divisors is an integer number (1437800).

Almost surely, 2^8611257 is an apocalyptic number.

It is an amenable number.

8611257 is a deficient number, since it is larger than the sum of its proper divisors (2891143).

8611257 is a wasteful number, since it uses less digits than its factorization.

8611257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5183.

The product of its digits is 3360, while the sum is 30.

The square root of 8611257 is about 2934.4943346342. The cubic root of 8611257 is about 204.9693152566.

The spelling of 8611257 in words is "eight million, six hundred eleven thousand, two hundred fifty-seven".