1001530427 has 2 divisors, whose sum is σ = 1001530428. Its totient is φ = 1001530426.

The previous prime is 1001530421. The next prime is 1001530429. The reversal of 1001530427 is 7240351001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001530427 - 2¹⁸ = 1001268283 is a prime.

Together with 1001530429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1001530421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500765213 + 500765214.

It is an arithmetic number, because the mean of its divisors is an integer number (500765214).

Almost surely, 2^1001530427 is an apocalyptic number.

1001530427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001530427 is an equidigital number, since it uses as much as digits as its factorization.

1001530427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 1001530427 is about 31646.9655259394. The cubic root of 1001530427 is about 1000.5098823092.

Adding to 1001530427 its reverse (7240351001), we get a palindrome (8241881428).

The spelling of 1001530427 in words is "one billion, one million, five hundred thirty thousand, four hundred twenty-seven".