247260001 has 2 divisors, whose sum is σ = 247260002. Its totient is φ = 247260000.

The previous prime is 247259993. The next prime is 247260031. The reversal of 247260001 is 100062742.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244109376 + 3150625 = 15624^2 + 1775^2 .

It is a cyclic number.

It is not a de Polignac number, because 247260001 - 2³ = 247259993 is a prime.

It is a super-2 number, since 2×247260001² = 122275016189040002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (247260031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123630000 + 123630001.

It is an arithmetic number, because the mean of its divisors is an integer number (123630001).

Almost surely, 2^247260001 is an apocalyptic number.

It is an amenable number.

247260001 is a deficient number, since it is larger than the sum of its proper divisors (1).

247260001 is an equidigital number, since it uses as much as digits as its factorization.

247260001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 247260001 is about 15724.5032035992. The cubic root of 247260001 is about 627.6506104516.

The spelling of 247260001 in words is "two hundred forty-seven million, two hundred sixty thousand, one".