401289151 has 2 divisors, whose sum is σ = 401289152. Its totient is φ = 401289150.

The previous prime is 401289113. The next prime is 401289157. The reversal of 401289151 is 151982104.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401289151 - 2²¹ = 399191999 is a prime.

It is a super-2 number, since 2×401289151² = 322065965420601602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401289157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200644575 + 200644576.

It is an arithmetic number, because the mean of its divisors is an integer number (200644576).

Almost surely, 2^401289151 is an apocalyptic number.

401289151 is a deficient number, since it is larger than the sum of its proper divisors (1).

401289151 is an equidigital number, since it uses as much as digits as its factorization.

401289151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 401289151 is about 20032.2028494122. The cubic root of 401289151 is about 737.5969963777.

The spelling of 401289151 in words is "four hundred one million, two hundred eighty-nine thousand, one hundred fifty-one".