1355242530 has 16 divisors (see below), whose sum is σ = 3252582144. Its totient is φ = 361398000.

The previous prime is 1355242519. The next prime is 1355242571. The reversal of 1355242530 is 352425531.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 45174751 = 1355242530 / (1 + 3 + 5 + 5 + 2 + 4 + 2 + 5 + 3 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22587346 + ... + 22587405.

It is an arithmetic number, because the mean of its divisors is an integer number (203286384).

Almost surely, 2^1355242530 is an apocalyptic number.

1355242530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1355242530 is an abundant number, since it is smaller than the sum of its proper divisors (1897339614).

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

1355242530 is a wasteful number, since it uses less digits than its factorization.

1355242530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45174761.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 1355242530 is about 36813.6188115214. The cubic root of 1355242530 is about 1106.6382421007.

The spelling of 1355242530 in words is "one billion, three hundred fifty-five million, two hundred forty-two thousand, five hundred thirty".