8061257 has 4 divisors (see below), whose sum is σ = 8109696. Its totient is φ = 8012820.

The previous prime is 8061223. The next prime is 8061289. The reversal of 8061257 is 7521608.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8061257 - 2¹⁰ = 8060233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8060257) 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, 23969 + ... + 24302.

It is an arithmetic number, because the mean of its divisors is an integer number (2027424).

Almost surely, 2^8061257 is an apocalyptic number.

It is an amenable number.

8061257 is a deficient number, since it is larger than the sum of its proper divisors (48439).

8061257 is a wasteful number, since it uses less digits than its factorization.

8061257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48438.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 8061257 is about 2839.2352843680. The cubic root of 8061257 is about 200.5091775908.

The spelling of 8061257 in words is "eight million, sixty-one thousand, two hundred fifty-seven".