172542467 has 2 divisors, whose sum is σ = 172542468. Its totient is φ = 172542466.

The previous prime is 172542451. The next prime is 172542511. The reversal of 172542467 is 764245271.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 172542467 - 2⁴ = 172542451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 172542467.

It is not a weakly prime, because it can be changed into another prime (172542427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86271233 + 86271234.

It is an arithmetic number, because the mean of its divisors is an integer number (86271234).

Almost surely, 2^172542467 is an apocalyptic number.

172542467 is a deficient number, since it is larger than the sum of its proper divisors (1).

172542467 is an equidigital number, since it uses as much as digits as its factorization.

172542467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94080, while the sum is 38.

The square root of 172542467 is about 13135.5421281346. The cubic root of 172542467 is about 556.7138182218.

The spelling of 172542467 in words is "one hundred seventy-two million, five hundred forty-two thousand, four hundred sixty-seven".