401562361 has 2 divisors, whose sum is σ = 401562362. Its totient is φ = 401562360.

The previous prime is 401562353. The next prime is 401562373. The reversal of 401562361 is 163265104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 389312361 + 12250000 = 19731^2 + 3500^2 .

It is a cyclic number.

It is not a de Polignac number, because 401562361 - 2³ = 401562353 is a prime.

It is a super-2 number, since 2×401562361² = 322504659543788642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401562311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200781180 + 200781181.

It is an arithmetic number, because the mean of its divisors is an integer number (200781181).

Almost surely, 2^401562361 is an apocalyptic number.

It is an amenable number.

401562361 is a deficient number, since it is larger than the sum of its proper divisors (1).

401562361 is an equidigital number, since it uses as much as digits as its factorization.

401562361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 401562361 is about 20039.0209591187. The cubic root of 401562361 is about 737.7643513127.

The spelling of 401562361 in words is "four hundred one million, five hundred sixty-two thousand, three hundred sixty-one".