18253130 has 32 divisors (see below), whose sum is σ = 37915776. Its totient is φ = 6197184.

The previous prime is 18253127. The next prime is 18253153. The reversal of 18253130 is 3135281.

It is a junction number, because it is equal to n+sod(n) for n = 18253096 and 18253105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6272 + ... + 8708.

It is an arithmetic number, because the mean of its divisors is an integer number (1184868).

Almost surely, 2^18253130 is an apocalyptic number.

18253130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18253130 is an abundant number, since it is smaller than the sum of its proper divisors (19662646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18253130 is a wasteful number, since it uses less digits than its factorization.

18253130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 18253130 is about 4272.3681957434. The cubic root of 18253130 is about 263.2969220963.

The spelling of 18253130 in words is "eighteen million, two hundred fifty-three thousand, one hundred thirty".