490341457 has 2 divisors, whose sum is σ = 490341458. Its totient is φ = 490341456.

The previous prime is 490341437. The next prime is 490341461. The reversal of 490341457 is 754143094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 425844496 + 64496961 = 20636^2 + 8031^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490341457 is a prime.

It is not a weakly prime, because it can be changed into another prime (490341437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245170728 + 245170729.

It is an arithmetic number, because the mean of its divisors is an integer number (245170729).

Almost surely, 2^490341457 is an apocalyptic number.

It is an amenable number.

490341457 is a deficient number, since it is larger than the sum of its proper divisors (1).

490341457 is an equidigital number, since it uses as much as digits as its factorization.

490341457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 490341457 is about 22143.6550054412. The cubic root of 490341457 is about 788.5566000862.

It can be divided in two parts, 4903 and 41457, that added together give a triangular number (46360 = T₃₀₄).

The spelling of 490341457 in words is "four hundred ninety million, three hundred forty-one thousand, four hundred fifty-seven".