1141621573 has 2 divisors, whose sum is σ = 1141621574. Its totient is φ = 1141621572.

The previous prime is 1141621571. The next prime is 1141621597. The reversal of 1141621573 is 3751261411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1135555204 + 6066369 = 33698^2 + 2463^2 .

It is an emirp because it is prime and its reverse (3751261411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1141621573 - 2¹ = 1141621571 is a prime.

Together with 1141621571, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141621571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570810786 + 570810787.

It is an arithmetic number, because the mean of its divisors is an integer number (570810787).

Almost surely, 2^1141621573 is an apocalyptic number.

It is an amenable number.

1141621573 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141621573 is an equidigital number, since it uses as much as digits as its factorization.

1141621573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 31.

The square root of 1141621573 is about 33787.8909226368. The cubic root of 1141621573 is about 1045.1390039674.

Adding to 1141621573 its reverse (3751261411), we get a palindrome (4892882984).

The spelling of 1141621573 in words is "one billion, one hundred forty-one million, six hundred twenty-one thousand, five hundred seventy-three".