971455 has 8 divisors (see below), whose sum is σ = 1178352. Its totient is φ = 768768.

The previous prime is 971441. The next prime is 971473. The reversal of 971455 is 554179.

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 971455 - 2⁹ = 970943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517 + ... + 1486.

It is an arithmetic number, because the mean of its divisors is an integer number (147294).

2⁹⁷¹⁴⁵⁵ is an apocalyptic number.

971455 is a deficient number, since it is larger than the sum of its proper divisors (206897).

971455 is a wasteful number, since it uses less digits than its factorization.

971455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105.

The product of its digits is 6300, while the sum is 31.

The square root of 971455 is about 985.6241677232. The cubic root of 971455 is about 99.0393001130.

The spelling of 971455 in words is "nine hundred seventy-one thousand, four hundred fifty-five".