401075629 has 2 divisors, whose sum is σ = 401075630. Its totient is φ = 401075628.

The previous prime is 401075627. The next prime is 401075659. The reversal of 401075629 is 926570104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 399920004 + 1155625 = 19998^2 + 1075^2 .

It is a cyclic number.

It is not a de Polignac number, because 401075629 - 2¹ = 401075627 is a prime.

Together with 401075627, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 401075594 and 401075603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401075621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200537814 + 200537815.

It is an arithmetic number, because the mean of its divisors is an integer number (200537815).

Almost surely, 2^401075629 is an apocalyptic number.

It is an amenable number.

401075629 is a deficient number, since it is larger than the sum of its proper divisors (1).

401075629 is an equidigital number, since it uses as much as digits as its factorization.

401075629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 401075629 is about 20026.8726714882. The cubic root of 401075629 is about 737.4661504717.

The spelling of 401075629 in words is "four hundred one million, seventy-five thousand, six hundred twenty-nine".