953681 has 2 divisors, whose sum is σ = 953682. Its totient is φ = 953680.

The previous prime is 953671. The next prime is 953699. The reversal of 953681 is 186359.

953681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 781456 + 172225 = 884^2 + 415^2 .

It is a cyclic number.

It is not a de Polignac number, because 953681 - 2¹⁰ = 952657 is a prime.

It is a super-2 number, since 2×953681² = 1819014899522, which contains 22 as substring.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 953681.

It is not a weakly prime, because it can be changed into another prime (953621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 476840 + 476841.

It is an arithmetic number, because the mean of its divisors is an integer number (476841).

2⁹⁵³⁶⁸¹ is an apocalyptic number.

It is an amenable number.

953681 is a deficient number, since it is larger than the sum of its proper divisors (1).

953681 is an equidigital number, since it uses as much as digits as its factorization.

953681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 32.

The square root of 953681 is about 976.5659219940. The cubic root of 953681 is about 98.4315619665.

The spelling of 953681 in words is "nine hundred fifty-three thousand, six hundred eighty-one".