401610149 has 2 divisors, whose sum is σ = 401610150. Its totient is φ = 401610148.

The previous prime is 401610137. The next prime is 401610169. The reversal of 401610149 is 941016104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 278289124 + 123321025 = 16682^2 + 11105^2 .

It is a cyclic number.

It is not a de Polignac number, because 401610149 - 2⁴ = 401610133 is a prime.

It is a super-2 number, since 2×401610149² = 322581423559604402, which contains 22 as substring.

It is a Chen prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401610169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200805074 + 200805075.

It is an arithmetic number, because the mean of its divisors is an integer number (200805075).

Almost surely, 2^401610149 is an apocalyptic number.

It is an amenable number.

401610149 is a deficient number, since it is larger than the sum of its proper divisors (1).

401610149 is an equidigital number, since it uses as much as digits as its factorization.

401610149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 401610149 is about 20040.2132972681. The cubic root of 401610149 is about 737.7936160776.

The spelling of 401610149 in words is "four hundred one million, six hundred ten thousand, one hundred forty-nine".