290452949 has 2 divisors, whose sum is σ = 290452950. Its totient is φ = 290452948.

The previous prime is 290452927. The next prime is 290452961. The reversal of 290452949 is 949254092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220730449 + 69722500 = 14857^2 + 8350^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-290452949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (290452909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145226474 + 145226475.

It is an arithmetic number, because the mean of its divisors is an integer number (145226475).

Almost surely, 2^290452949 is an apocalyptic number.

It is an amenable number.

290452949 is a deficient number, since it is larger than the sum of its proper divisors (1).

290452949 is an equidigital number, since it uses as much as digits as its factorization.

290452949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 290452949 is about 17042.6802176184. The cubic root of 290452949 is about 662.2550267406.

The spelling of 290452949 in words is "two hundred ninety million, four hundred fifty-two thousand, nine hundred forty-nine".