257070701 has 8 divisors (see below), whose sum is σ = 269960064. Its totient is φ = 244324080.

The previous prime is 257070689. The next prime is 257070707. The reversal of 257070701 is 107070752.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-257070701 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257070707) 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, 31985 + ... + 39206.

It is an arithmetic number, because the mean of its divisors is an integer number (33745008).

Almost surely, 2^257070701 is an apocalyptic number.

It is an amenable number.

257070701 is a deficient number, since it is larger than the sum of its proper divisors (12889363).

257070701 is a wasteful number, since it uses less digits than its factorization.

257070701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71371.

The product of its (nonzero) digits is 3430, while the sum is 29.

The square root of 257070701 is about 16033.4244938503. The cubic root of 257070701 is about 635.8444144623.

The spelling of 257070701 in words is "two hundred fifty-seven million, seventy thousand, seven hundred one".