247000401 has 16 divisors (see below), whose sum is σ = 366213120. Its totient is φ = 164538000.

The previous prime is 247000393. The next prime is 247000421. The reversal of 247000401 is 104000742.

It is a happy number.

It is not a de Polignac number, because 247000401 - 2³ = 247000393 is a prime.

It is a super-2 number, since 2×247000401² = 122018396188321602, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (247000421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42151 + ... + 47651.

It is an arithmetic number, because the mean of its divisors is an integer number (22888320).

Almost surely, 2^247000401 is an apocalyptic number.

It is an amenable number.

247000401 is a deficient number, since it is larger than the sum of its proper divisors (119212719).

247000401 is a wasteful number, since it uses less digits than its factorization.

247000401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7173 (or 7167 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 247000401 is about 15716.2464030060. The cubic root of 247000401 is about 627.4308752816.

The spelling of 247000401 in words is "two hundred forty-seven million, four hundred one", and thus it is an aban number.