973631 has 2 divisors, whose sum is σ = 973632. Its totient is φ = 973630.

The previous prime is 973597. The next prime is 973657. The reversal of 973631 is 136379.

It is a strong prime.

It is an emirp because it is prime and its reverse (136379) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 973631 - 2¹⁴ = 957247 is a prime.

It is a super-2 number, since 2×973631² = 1895914648322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 973594 and 973603.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 973631.

It is not a weakly prime, because it can be changed into another prime (973681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486815 + 486816.

It is an arithmetic number, because the mean of its divisors is an integer number (486816).

2⁹⁷³⁶³¹ is an apocalyptic number.

973631 is a deficient number, since it is larger than the sum of its proper divisors (1).

973631 is an equidigital number, since it uses as much as digits as its factorization.

973631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3402, while the sum is 29.

The square root of 973631 is about 986.7274193008. The cubic root of 973631 is about 99.1131923014.

The spelling of 973631 in words is "nine hundred seventy-three thousand, six hundred thirty-one".