147653609 has 2 divisors, whose sum is σ = 147653610. Its totient is φ = 147653608.

The previous prime is 147653603. The next prime is 147653621. The reversal of 147653609 is 906356741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97456384 + 50197225 = 9872^2 + 7085^2 .

It is a cyclic number.

It is not a de Polignac number, because 147653609 - 2⁴ = 147653593 is a prime.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (147653603) 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, 73826804 + 73826805.

It is an arithmetic number, because the mean of its divisors is an integer number (73826805).

Almost surely, 2^147653609 is an apocalyptic number.

It is an amenable number.

147653609 is a deficient number, since it is larger than the sum of its proper divisors (1).

147653609 is an equidigital number, since it uses as much as digits as its factorization.

147653609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 147653609 is about 12151.2801383229. The cubic root of 147653609 is about 528.5442536622.

The spelling of 147653609 in words is "one hundred forty-seven million, six hundred fifty-three thousand, six hundred nine".