401276047 has 2 divisors, whose sum is σ = 401276048. Its totient is φ = 401276046.

The previous prime is 401276027. The next prime is 401276053. The reversal of 401276047 is 740672104.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401276047 is a prime.

It is a super-2 number, since 2×401276047² = 322044931791892418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401276027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200638023 + 200638024.

It is an arithmetic number, because the mean of its divisors is an integer number (200638024).

Almost surely, 2^401276047 is an apocalyptic number.

401276047 is a deficient number, since it is larger than the sum of its proper divisors (1).

401276047 is an equidigital number, since it uses as much as digits as its factorization.

401276047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 401276047 is about 20031.8757733768. The cubic root of 401276047 is about 737.5889676066.

The spelling of 401276047 in words is "four hundred one million, two hundred seventy-six thousand, forty-seven".