247212325 has 12 divisors (see below), whose sum is σ = 322677760. Its totient is φ = 187360560.

The previous prime is 247212319. The next prime is 247212337. The reversal of 247212325 is 523212742.

247212325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 247212325 - 2⁵ = 247212293 is a prime.

It is a super-2 number, since 2×247212325² = 122227867263811250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247212293 and 247212302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 259749 + ... + 260698.

Almost surely, 2^247212325 is an apocalyptic number.

247212325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

247212325 is a deficient number, since it is larger than the sum of its proper divisors (75465435).

247212325 is a wasteful number, since it uses less digits than its factorization.

247212325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520476 (or 520471 counting only the distinct ones).

The product of its digits is 6720, while the sum is 28.

The square root of 247212325 is about 15722.9871525738. The cubic root of 247212325 is about 627.6102672314.

The spelling of 247212325 in words is "two hundred forty-seven million, two hundred twelve thousand, three hundred twenty-five".