290270401 has 2 divisors, whose sum is σ = 290270402. Its totient is φ = 290270400.

The previous prime is 290270399. The next prime is 290270413. The reversal of 290270401 is 104072092.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263737600 + 26532801 = 16240^2 + 5151^2 .

It is a cyclic number.

It is not a de Polignac number, because 290270401 - 2¹ = 290270399 is a prime.

Together with 290270399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (290270441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145135200 + 145135201.

It is an arithmetic number, because the mean of its divisors is an integer number (145135201).

Almost surely, 2^290270401 is an apocalyptic number.

It is an amenable number.

290270401 is a deficient number, since it is larger than the sum of its proper divisors (1).

290270401 is an equidigital number, since it uses as much as digits as its factorization.

290270401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 290270401 is about 17037.3237628449. The cubic root of 290270401 is about 662.1162565120.

The spelling of 290270401 in words is "two hundred ninety million, two hundred seventy thousand, four hundred one".