1430725147 has 2 divisors, whose sum is σ = 1430725148. Its totient is φ = 1430725146.

The previous prime is 1430725129. The next prime is 1430725157. The reversal of 1430725147 is 7415270341.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1430725147 is a prime.

It is not a weakly prime, because it can be changed into another prime (1430725157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715362573 + 715362574.

It is an arithmetic number, because the mean of its divisors is an integer number (715362574).

Almost surely, 2^1430725147 is an apocalyptic number.

1430725147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1430725147 is an equidigital number, since it uses as much as digits as its factorization.

1430725147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 1430725147 is about 37824.9275875050. The cubic root of 1430725147 is about 1126.8135744484.

Adding to 1430725147 its reverse (7415270341), we get a palindrome (8845995488).

The spelling of 1430725147 in words is "one billion, four hundred thirty million, seven hundred twenty-five thousand, one hundred forty-seven".