492645403 has 2 divisors, whose sum is σ = 492645404. Its totient is φ = 492645402.

The previous prime is 492645401. The next prime is 492645409. The reversal of 492645403 is 304546294.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 492645403 - 2¹ = 492645401 is a prime.

Together with 492645401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (492645401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246322701 + 246322702.

It is an arithmetic number, because the mean of its divisors is an integer number (246322702).

Almost surely, 2^492645403 is an apocalyptic number.

492645403 is a deficient number, since it is larger than the sum of its proper divisors (1).

492645403 is an equidigital number, since it uses as much as digits as its factorization.

492645403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 492645403 is about 22195.6167519625. The cubic root of 492645403 is about 789.7897229164.

The spelling of 492645403 in words is "four hundred ninety-two million, six hundred forty-five thousand, four hundred three".