7001257 has 8 divisors (see below), whose sum is σ = 7257600. Its totient is φ = 6746880.

The previous prime is 7001249. The next prime is 7001273. The reversal of 7001257 is 7521007.

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 7001257 - 2³ = 7001249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7001237) 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, 13668 + ... + 14170.

It is an arithmetic number, because the mean of its divisors is an integer number (907200).

Almost surely, 2^7001257 is an apocalyptic number.

It is an amenable number.

7001257 is a deficient number, since it is larger than the sum of its proper divisors (256343).

7001257 is a wasteful number, since it uses less digits than its factorization.

7001257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983.

The product of its (nonzero) digits is 490, while the sum is 22.

The square root of 7001257 is about 2645.9888510725. The cubic root of 7001257 is about 191.3045678514.

The spelling of 7001257 in words is "seven million, one thousand, two hundred fifty-seven".