490153481 has 2 divisors, whose sum is σ = 490153482. Its totient is φ = 490153480.

The previous prime is 490153451. The next prime is 490153501. The reversal of 490153481 is 184351094.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 488807881 + 1345600 = 22109^2 + 1160^2 .

It is a cyclic number.

It is not a de Polignac number, because 490153481 - 2¹⁰ = 490152457 is a prime.

It is a super-2 number, since 2×490153481² = 480500869872834722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (490153421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245076740 + 245076741.

It is an arithmetic number, because the mean of its divisors is an integer number (245076741).

Almost surely, 2^490153481 is an apocalyptic number.

It is an amenable number.

490153481 is a deficient number, since it is larger than the sum of its proper divisors (1).

490153481 is an equidigital number, since it uses as much as digits as its factorization.

490153481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 490153481 is about 22139.4101321603. The cubic root of 490153481 is about 788.4558208849.

The spelling of 490153481 in words is "four hundred ninety million, one hundred fifty-three thousand, four hundred eighty-one".