857254514 has 16 divisors (see below), whose sum is σ = 1297776600. Its totient is φ = 424677120.

The previous prime is 857254513. The next prime is 857254523. The reversal of 857254514 is 415452758.

It can be written as a sum of positive squares in 4 ways, for example, as 123765625 + 733488889 = 11125^2 + 27083^2 .

It is not an unprimeable number, because it can be changed into a prime (857254511) 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, 122042 + ... + 128874.

Almost surely, 2^857254514 is an apocalyptic number.

857254514 is a deficient number, since it is larger than the sum of its proper divisors (440522086).

857254514 is a wasteful number, since it uses less digits than its factorization.

857254514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7405.

The product of its digits is 224000, while the sum is 41.

The square root of 857254514 is about 29278.9090302217. The cubic root of 857254514 is about 949.9554970843.

The spelling of 857254514 in words is "eight hundred fifty-seven million, two hundred fifty-four thousand, five hundred fourteen".