247240001 has 8 divisors (see below), whose sum is σ = 250008384. Its totient is φ = 244486800.

The previous prime is 247239997. The next prime is 247240043. The reversal of 247240001 is 100042742.

247240001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 247240001 - 2² = 247239997 is a prime.

It is a super-2 number, since 2×247240001² = 122255236188960002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (247240801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30671 + ... + 37883.

It is an arithmetic number, because the mean of its divisors is an integer number (31251048).

Almost surely, 2^247240001 is an apocalyptic number.

It is an amenable number.

247240001 is a deficient number, since it is larger than the sum of its proper divisors (2768383).

247240001 is a wasteful number, since it uses less digits than its factorization.

247240001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7591.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 247240001 is about 15723.8672405996. The cubic root of 247240001 is about 627.6336871716.

Adding to 247240001 its reverse (100042742), we get a palindrome (347282743).

The spelling of 247240001 in words is "two hundred forty-seven million, two hundred forty thousand, one".