247725049 has 8 divisors (see below), whose sum is σ = 291033792. Its totient is φ = 207881040.

The previous prime is 247725029. The next prime is 247725073. The reversal of 247725049 is 940527742.

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 247725049 - 2¹⁷ = 247593977 is a prime.

It is a super-2 number, since 2×247725049² = 122735399804104802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (247725029) 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, 866029 + ... + 866314.

It is an arithmetic number, because the mean of its divisors is an integer number (36379224).

Almost surely, 2^247725049 is an apocalyptic number.

It is an amenable number.

247725049 is a deficient number, since it is larger than the sum of its proper divisors (43308743).

247725049 is a wasteful number, since it uses less digits than its factorization.

247725049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732367.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 247725049 is about 15739.2836241044. The cubic root of 247725049 is about 628.0438602780.

The spelling of 247725049 in words is "two hundred forty-seven million, seven hundred twenty-five thousand, forty-nine".