1427531051 has 2 divisors, whose sum is σ = 1427531052. Its totient is φ = 1427531050.

The previous prime is 1427531033. The next prime is 1427531057. The reversal of 1427531051 is 1501357241.

It is a strong prime.

It is an emirp because it is prime and its reverse (1501357241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1427531051 is a prime.

It is not a weakly prime, because it can be changed into another prime (1427531057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713765525 + 713765526.

It is an arithmetic number, because the mean of its divisors is an integer number (713765526).

Almost surely, 2^1427531051 is an apocalyptic number.

1427531051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427531051 is an equidigital number, since it uses as much as digits as its factorization.

1427531051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 1427531051 is about 37782.6818926344. The cubic root of 1427531051 is about 1125.9744120057.

Adding to 1427531051 its reverse (1501357241), we get a palindrome (2928888292).

The spelling of 1427531051 in words is "one billion, four hundred twenty-seven million, five hundred thirty-one thousand, fifty-one".