400245301 has 2 divisors, whose sum is σ = 400245302. Its totient is φ = 400245300.

The previous prime is 400245299. The next prime is 400245311. The reversal of 400245301 is 103542004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 331786225 + 68459076 = 18215^2 + 8274^2 .

It is a cyclic number.

It is not a de Polignac number, because 400245301 - 2¹ = 400245299 is a prime.

Together with 400245299, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400245311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200122650 + 200122651.

It is an arithmetic number, because the mean of its divisors is an integer number (200122651).

Almost surely, 2^400245301 is an apocalyptic number.

It is an amenable number.

400245301 is a deficient number, since it is larger than the sum of its proper divisors (1).

400245301 is an equidigital number, since it uses as much as digits as its factorization.

400245301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 400245301 is about 20006.1315850916. The cubic root of 400245301 is about 736.9568850518.

Adding to 400245301 its reverse (103542004), we get a palindrome (503787305).

The spelling of 400245301 in words is "four hundred million, two hundred forty-five thousand, three hundred one".