401153239 has 2 divisors, whose sum is σ = 401153240. Its totient is φ = 401153238.

The previous prime is 401153219. The next prime is 401153243. The reversal of 401153239 is 932351104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401153239 - 2⁹ = 401152727 is a prime.

It is a super-2 number, since 2×401153239² = 321847842320382242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401153219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200576619 + 200576620.

It is an arithmetic number, because the mean of its divisors is an integer number (200576620).

Almost surely, 2^401153239 is an apocalyptic number.

401153239 is a deficient number, since it is larger than the sum of its proper divisors (1).

401153239 is an equidigital number, since it uses as much as digits as its factorization.

401153239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 401153239 is about 20028.8102242744. The cubic root of 401153239 is about 737.5137151141.

The spelling of 401153239 in words is "four hundred one million, one hundred fifty-three thousand, two hundred thirty-nine".