1534201897 has 2 divisors, whose sum is σ = 1534201898. Its totient is φ = 1534201896.

The previous prime is 1534201861. The next prime is 1534201901. The reversal of 1534201897 is 7981024351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1429671721 + 104530176 = 37811^2 + 10224^2 .

It is an emirp because it is prime and its reverse (7981024351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1534201897 - 2⁷ = 1534201769 is a prime.

It is not a weakly prime, because it can be changed into another prime (1534201807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 767100948 + 767100949.

It is an arithmetic number, because the mean of its divisors is an integer number (767100949).

Almost surely, 2^1534201897 is an apocalyptic number.

It is an amenable number.

1534201897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1534201897 is an equidigital number, since it uses as much as digits as its factorization.

1534201897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 1534201897 is about 39168.8894021773. The cubic root of 1534201897 is about 1153.3492524468.

The spelling of 1534201897 in words is "one billion, five hundred thirty-four million, two hundred one thousand, eight hundred ninety-seven".