290601401 has 2 divisors, whose sum is σ = 290601402. Its totient is φ = 290601400.

The previous prime is 290601397. The next prime is 290601433. The reversal of 290601401 is 104106092.

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., 272283001 + 18318400 = 16501^2 + 4280^2 .

It is a cyclic number.

It is not a de Polignac number, because 290601401 - 2² = 290601397 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (290601461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145300700 + 145300701.

It is an arithmetic number, because the mean of its divisors is an integer number (145300701).

Almost surely, 2^290601401 is an apocalyptic number.

It is an amenable number.

290601401 is a deficient number, since it is larger than the sum of its proper divisors (1).

290601401 is an equidigital number, since it uses as much as digits as its factorization.

290601401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 290601401 is about 17047.0349621276. The cubic root of 290601401 is about 662.3678348435.

Adding to 290601401 its reverse (104106092), we get a palindrome (394707493).

The spelling of 290601401 in words is "two hundred ninety million, six hundred one thousand, four hundred one".