172932547297 has 2 divisors, whose sum is σ = 172932547298. Its totient is φ = 172932547296.

The previous prime is 172932547267. The next prime is 172932547313. The reversal of 172932547297 is 792745239271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158634127521 + 14298419776 = 398289^2 + 119576^2 .

It is a cyclic number.

It is not a de Polignac number, because 172932547297 - 2⁷ = 172932547169 is a prime.

It is not a weakly prime, because it can be changed into another prime (172932547267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86466273648 + 86466273649.

It is an arithmetic number, because the mean of its divisors is an integer number (86466273649).

Almost surely, 2^172932547297 is an apocalyptic number.

It is an amenable number.

172932547297 is a deficient number, since it is larger than the sum of its proper divisors (1).

172932547297 is an equidigital number, since it uses as much as digits as its factorization.

172932547297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13335840, while the sum is 58.

The spelling of 172932547297 in words is "one hundred seventy-two billion, nine hundred thirty-two million, five hundred forty-seven thousand, two hundred ninety-seven".