172948043 has 2 divisors, whose sum is σ = 172948044. Its totient is φ = 172948042.

The previous prime is 172948031. The next prime is 172948067. The reversal of 172948043 is 340849271.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 172948043 - 2⁶ = 172947979 is a prime.

It is a super-2 number, since 2×172948043² = 59822051155059698, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 172947988 and 172948006.

It is not a weakly prime, because it can be changed into another prime (172948343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86474021 + 86474022.

It is an arithmetic number, because the mean of its divisors is an integer number (86474022).

Almost surely, 2^172948043 is an apocalyptic number.

172948043 is a deficient number, since it is larger than the sum of its proper divisors (1).

172948043 is an equidigital number, since it uses as much as digits as its factorization.

172948043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 172948043 is about 13150.9711808672. The cubic root of 172948043 is about 557.1496782265.

The spelling of 172948043 in words is "one hundred seventy-two million, nine hundred forty-eight thousand, forty-three".