705151 has 4 divisors (see below), whose sum is σ = 707152. Its totient is φ = 703152.

The previous prime is 705137. The next prime is 705161. The reversal of 705151 is 151507.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 705151 - 2⁵ = 705119 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 (705161) 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, 315 + ... + 1228.

It is an arithmetic number, because the mean of its divisors is an integer number (176788).

2⁷⁰⁵¹⁵¹ is an apocalyptic number.

705151 is a deficient number, since it is larger than the sum of its proper divisors (2001).

705151 is a wasteful number, since it uses less digits than its factorization.

705151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000.

The product of its (nonzero) digits is 175, while the sum is 19.

The square root of 705151 is about 839.7326955645. The cubic root of 705151 is about 89.0076583066.

Adding to 705151 its reverse (151507), we get a palindrome (856658).

The spelling of 705151 in words is "seven hundred five thousand, one hundred fifty-one".