247915130 has 32 divisors (see below), whose sum is σ = 457042176. Its totient is φ = 96779584.

The previous prime is 247915123. The next prime is 247915139. The reversal of 247915130 is 31519742.

It is a super-2 number, since 2×247915130² = 122923823365833800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247915139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261317 + ... + 262263.

It is an arithmetic number, because the mean of its divisors is an integer number (14282568).

Almost surely, 2^247915130 is an apocalyptic number.

247915130 is a deficient number, since it is larger than the sum of its proper divisors (209127046).

247915130 is a wasteful number, since it uses less digits than its factorization.

247915130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 247915130 is about 15745.3208922524. The cubic root of 247915130 is about 628.2044532217.

The spelling of 247915130 in words is "two hundred forty-seven million, nine hundred fifteen thousand, one hundred thirty".