492551 has 2 divisors, whose sum is σ = 492552. Its totient is φ = 492550.
The previous prime is 492523. The next prime is 492563. The reversal of 492551 is 155294.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 492551 - 26 = 492487 is a prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 492551.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (492511) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246275 + 246276.
It is an arithmetic number, because the mean of its divisors is an integer number (246276).
2492551 is an apocalyptic number.
492551 is a deficient number, since it is larger than the sum of its proper divisors (1).
492551 is an equidigital number, since it uses as much as digits as its factorization.
492551 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1800, while the sum is 26.
The square root of 492551 is about 701.8197774358. The cubic root of 492551 is about 78.9739271969.
The spelling of 492551 in words is "four hundred ninety-two thousand, five hundred fifty-one".
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