490785151 has 2 divisors, whose sum is σ = 490785152. Its totient is φ = 490785150.

The previous prime is 490785133. The next prime is 490785161. The reversal of 490785151 is 151587094.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 490785151 - 2¹⁷ = 490654079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490785161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245392575 + 245392576.

It is an arithmetic number, because the mean of its divisors is an integer number (245392576).

Almost surely, 2^490785151 is an apocalyptic number.

490785151 is a deficient number, since it is larger than the sum of its proper divisors (1).

490785151 is an equidigital number, since it uses as much as digits as its factorization.

490785151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 490785151 is about 22153.6712758856. The cubic root of 490785151 is about 788.7943747696.

The spelling of 490785151 in words is "four hundred ninety million, seven hundred eighty-five thousand, one hundred fifty-one".