247260941 has 4 divisors (see below), whose sum is σ = 249529500. Its totient is φ = 244992384.

The previous prime is 247260919. The next prime is 247260943. The reversal of 247260941 is 149062742.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 149062742 = 2 ⋅74531371.

It can be written as a sum of positive squares in 2 ways, for example, as 66896041 + 180364900 = 8179^2 + 13430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-247260941 is a prime.

It is a super-2 number, since 2×247260941² = 122275945888410962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247260943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1134116 + ... + 1134333.

It is an arithmetic number, because the mean of its divisors is an integer number (62382375).

Almost surely, 2^247260941 is an apocalyptic number.

It is an amenable number.

247260941 is a deficient number, since it is larger than the sum of its proper divisors (2268559).

247260941 is a wasteful number, since it uses less digits than its factorization.

247260941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268558.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 247260941 is about 15724.5330932273. The cubic root of 247260941 is about 627.6514058233.

The spelling of 247260941 in words is "two hundred forty-seven million, two hundred sixty thousand, nine hundred forty-one".