492542387 has 2 divisors, whose sum is σ = 492542388. Its totient is φ = 492542386.

The previous prime is 492542381. The next prime is 492542399. The reversal of 492542387 is 783245294.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 492542387 - 2¹⁴ = 492526003 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (492542381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246271193 + 246271194.

It is an arithmetic number, because the mean of its divisors is an integer number (246271194).

Almost surely, 2^492542387 is an apocalyptic number.

492542387 is a deficient number, since it is larger than the sum of its proper divisors (1).

492542387 is an equidigital number, since it uses as much as digits as its factorization.

492542387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 44.

The square root of 492542387 is about 22193.2959922586. The cubic root of 492542387 is about 789.7346686797.

The spelling of 492542387 in words is "four hundred ninety-two million, five hundred forty-two thousand, three hundred eighty-seven".