401292049 has 2 divisors, whose sum is σ = 401292050. Its totient is φ = 401292048.

The previous prime is 401291963. The next prime is 401292079. The reversal of 401292049 is 940292104.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 401281024 + 11025 = 20032^2 + 105^2 .

It is a cyclic number.

It is not a de Polignac number, because 401292049 - 2²¹ = 399194897 is a prime.

It is a super-2 number, since 2×401292049² = 322070617181236802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401292049.

It is not a weakly prime, because it can be changed into another prime (401292079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200646024 + 200646025.

It is an arithmetic number, because the mean of its divisors is an integer number (200646025).

Almost surely, 2^401292049 is an apocalyptic number.

It is an amenable number.

401292049 is a deficient number, since it is larger than the sum of its proper divisors (1).

401292049 is an equidigital number, since it uses as much as digits as its factorization.

401292049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 401292049 is about 20032.2751828144. The cubic root of 401292049 is about 737.5987719477.

The spelling of 401292049 in words is "four hundred one million, two hundred ninety-two thousand, forty-nine".