1461538097 has 2 divisors, whose sum is σ = 1461538098. Its totient is φ = 1461538096.

The previous prime is 1461538087. The next prime is 1461538103. The reversal of 1461538097 is 7908351641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1241787121 + 219750976 = 35239^2 + 14824^2 .

It is an emirp because it is prime and its reverse (7908351641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1461538097 - 2¹² = 1461534001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1461538087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730769048 + 730769049.

It is an arithmetic number, because the mean of its divisors is an integer number (730769049).

Almost surely, 2^1461538097 is an apocalyptic number.

It is an amenable number.

1461538097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1461538097 is an equidigital number, since it uses as much as digits as its factorization.

1461538097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 1461538097 is about 38230.0679701201. The cubic root of 1461538097 is about 1134.8454308972.

It can be divided in two parts, 14615 and 38097, that multiplied together give a palindrome (556787655).

The spelling of 1461538097 in words is "one billion, four hundred sixty-one million, five hundred thirty-eight thousand, ninety-seven".