247315036 has 6 divisors (see below), whose sum is σ = 432801320. Its totient is φ = 123657516.

The previous prime is 247315009. The next prime is 247315043. The reversal of 247315036 is 630513742.

It is a super-2 number, since 2×247315036² = 122329454063362592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247314989 and 247315007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30914376 + ... + 30914383.

Almost surely, 2^247315036 is an apocalyptic number.

It is an amenable number.

247315036 is a deficient number, since it is larger than the sum of its proper divisors (185486284).

247315036 is a wasteful number, since it uses less digits than its factorization.

247315036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61828763 (or 61828761 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 247315036 is about 15726.2530820282. The cubic root of 247315036 is about 627.6971743771.

Adding to 247315036 its reverse (630513742), we get a palindrome (877828778).

The spelling of 247315036 in words is "two hundred forty-seven million, three hundred fifteen thousand, thirty-six".