975655 has 4 divisors (see below), whose sum is σ = 1170792. Its totient is φ = 780520.

The previous prime is 975649. The next prime is 975661. The reversal of 975655 is 556579.

975655 = 248² + 249² + ... + 262².

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

It is an interprime number because it is at equal distance from previous prime (975649) and next prime (975661).

It is a de Polignac number, because none of the positive numbers 2^k-975655 is a prime.

It is a Duffinian number.

975655 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97561 + ... + 97570.

It is an arithmetic number, because the mean of its divisors is an integer number (292698).

2⁹⁷⁵⁶⁵⁵ is an apocalyptic number.

975655 is a deficient number, since it is larger than the sum of its proper divisors (195137).

975655 is a wasteful number, since it uses less digits than its factorization.

975655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195136.

The product of its digits is 47250, while the sum is 37.

The square root of 975655 is about 987.7524993641. The cubic root of 975655 is about 99.1818241392.

The spelling of 975655 in words is "nine hundred seventy-five thousand, six hundred fifty-five".