1430421541 has 2 divisors, whose sum is σ = 1430421542. Its totient is φ = 1430421540.

The previous prime is 1430421529. The next prime is 1430421563. The reversal of 1430421541 is 1451240341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1299890916 + 130530625 = 36054^2 + 11425^2 .

It is an emirp because it is prime and its reverse (1451240341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1430421541 - 2⁷ = 1430421413 is a prime.

It is a super-2 number, since 2×1430421541² = 4092211569913629362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1430421511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715210770 + 715210771.

It is an arithmetic number, because the mean of its divisors is an integer number (715210771).

Almost surely, 2^1430421541 is an apocalyptic number.

It is an amenable number.

1430421541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1430421541 is an equidigital number, since it uses as much as digits as its factorization.

1430421541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1430421541 is about 37820.9140688059. The cubic root of 1430421541 is about 1126.7338639220.

Adding to 1430421541 its reverse (1451240341), we get a palindrome (2881661882).

The spelling of 1430421541 in words is "one billion, four hundred thirty million, four hundred twenty-one thousand, five hundred forty-one".