247514252 has 6 divisors (see below), whose sum is σ = 433149948. Its totient is φ = 123757124.

The previous prime is 247514243. The next prime is 247514291. The reversal of 247514252 is 252415742.

It is a super-2 number, since 2×247514252² = 122526609886239008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30939278 + ... + 30939285.

It is an arithmetic number, because the mean of its divisors is an integer number (72191658).

Almost surely, 2^247514252 is an apocalyptic number.

It is an amenable number.

247514252 is a deficient number, since it is larger than the sum of its proper divisors (185635696).

247514252 is a wasteful number, since it uses less digits than its factorization.

247514252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61878567 (or 61878565 counting only the distinct ones).

The product of its digits is 22400, while the sum is 32.

The square root of 247514252 is about 15732.5856743258. The cubic root of 247514252 is about 627.8656689977.

Adding to 247514252 its reverse (252415742), we get a palindrome (499929994).

The spelling of 247514252 in words is "two hundred forty-seven million, five hundred fourteen thousand, two hundred fifty-two".