290381053 has 2 divisors, whose sum is σ = 290381054. Its totient is φ = 290381052.

The previous prime is 290381041. The next prime is 290381093. The reversal of 290381053 is 350183092.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202265284 + 88115769 = 14222^2 + 9387^2 .

It is a cyclic number.

It is not a de Polignac number, because 290381053 - 2²¹ = 288283901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (290381093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145190526 + 145190527.

It is an arithmetic number, because the mean of its divisors is an integer number (145190527).

Almost surely, 2^290381053 is an apocalyptic number.

It is an amenable number.

290381053 is a deficient number, since it is larger than the sum of its proper divisors (1).

290381053 is an equidigital number, since it uses as much as digits as its factorization.

290381053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 290381053 is about 17040.5707944306. The cubic root of 290381053 is about 662.2003794311.

The spelling of 290381053 in words is "two hundred ninety million, three hundred eighty-one thousand, fifty-three".