492542621 has 8 divisors (see below), whose sum is σ = 502205184. Its totient is φ = 482893840.

The previous prime is 492542593. The next prime is 492542627. The reversal of 492542621 is 126245294.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-492542621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492542627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96680 + ... + 101646.

It is an arithmetic number, because the mean of its divisors is an integer number (62775648).

Almost surely, 2^492542621 is an apocalyptic number.

It is an amenable number.

492542621 is a deficient number, since it is larger than the sum of its proper divisors (9662563).

492542621 is a wasteful number, since it uses less digits than its factorization.

492542621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6891.

The product of its digits is 34560, while the sum is 35.

The square root of 492542621 is about 22193.3012641202. The cubic root of 492542621 is about 789.7347937436.

The spelling of 492542621 in words is "four hundred ninety-two million, five hundred forty-two thousand, six hundred twenty-one".