1030685461 has 4 divisors (see below), whose sum is σ = 1109968972. Its totient is φ = 951401952.

The previous prime is 1030685449. The next prime is 1030685471. The reversal of 1030685461 is 1645860301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1645860301 = 71 ⋅23181131.

It can be written as a sum of positive squares in 2 ways, for example, as 688065361 + 342620100 = 26231^2 + 18510^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030685461 - 2¹¹ = 1030683413 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 (1030685471) 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, 39641736 + ... + 39641761.

It is an arithmetic number, because the mean of its divisors is an integer number (277492243).

Almost surely, 2^1030685461 is an apocalyptic number.

It is an amenable number.

1030685461 is a deficient number, since it is larger than the sum of its proper divisors (79283511).

1030685461 is an equidigital number, since it uses as much as digits as its factorization.

1030685461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79283510.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1030685461 is about 32104.2903830625. The cubic root of 1030685461 is about 1010.1256129101.

The spelling of 1030685461 in words is "one billion, thirty million, six hundred eighty-five thousand, four hundred sixty-one".