400233061 has 2 divisors, whose sum is σ = 400233062. Its totient is φ = 400233060.

The previous prime is 400233037. The next prime is 400233073. The reversal of 400233061 is 160332004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 396209025 + 4024036 = 19905^2 + 2006^2 .

It is a cyclic number.

It is not a de Polignac number, because 400233061 - 2⁷ = 400232933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400213061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200116530 + 200116531.

It is an arithmetic number, because the mean of its divisors is an integer number (200116531).

Almost surely, 2^400233061 is an apocalyptic number.

It is an amenable number.

400233061 is a deficient number, since it is larger than the sum of its proper divisors (1).

400233061 is an equidigital number, since it uses as much as digits as its factorization.

400233061 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 19.

The square root of 400233061 is about 20005.8256765373. The cubic root of 400233061 is about 736.9493726219.

Adding to 400233061 its reverse (160332004), we get a palindrome (560565065).

The spelling of 400233061 in words is "four hundred million, two hundred thirty-three thousand, sixty-one".