1545097 has 2 divisors, whose sum is σ = 1545098. Its totient is φ = 1545096.

The previous prime is 1545073. The next prime is 1545101. The reversal of 1545097 is 7905451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1449616 + 95481 = 1204^2 + 309^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1545097 is a prime.

It is not a weakly prime, because it can be changed into another prime (1545007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 772548 + 772549.

It is an arithmetic number, because the mean of its divisors is an integer number (772549).

2^1545097 is an apocalyptic number.

It is an amenable number.

1545097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1545097 is an equidigital number, since it uses as much as digits as its factorization.

1545097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 1545097 is about 1243.0193079755. The cubic root of 1545097 is about 115.6072977038.

The spelling of 1545097 in words is "one million, five hundred forty-five thousand, ninety-seven".