1000347461 has 2 divisors, whose sum is σ = 1000347462. Its totient is φ = 1000347460.

The previous prime is 1000347427. The next prime is 1000347563. The reversal of 1000347461 is 1647430001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 996664900 + 3682561 = 31570^2 + 1919^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000347461 - 2¹⁰ = 1000346437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1000347461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000347421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500173730 + 500173731.

It is an arithmetic number, because the mean of its divisors is an integer number (500173731).

Almost surely, 2^1000347461 is an apocalyptic number.

It is an amenable number.

1000347461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000347461 is an equidigital number, since it uses as much as digits as its factorization.

1000347461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1000347461 is about 31628.2699653332. The cubic root of 1000347461 is about 1000.1158069216.

Adding to 1000347461 its reverse (1647430001), we get a palindrome (2647777462).

The spelling of 1000347461 in words is "one billion, three hundred forty-seven thousand, four hundred sixty-one".