1551051530 has 16 divisors (see below), whose sum is σ = 3190734720. Its totient is φ = 531789072.

The previous prime is 1551051521. The next prime is 1551051553. The reversal of 1551051530 is 351501551.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1551051530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11078870 + ... + 11079009.

It is an arithmetic number, because the mean of its divisors is an integer number (199420920).

Almost surely, 2^1551051530 is an apocalyptic number.

1551051530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1551051530 is an abundant number, since it is smaller than the sum of its proper divisors (1639683190).

1551051530 is a wasteful number, since it uses less digits than its factorization.

1551051530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22157893.

The product of its (nonzero) digits is 1875, while the sum is 26.

The square root of 1551051530 is about 39383.3915502462. The cubic root of 1551051530 is about 1157.5561734623.

The spelling of 1551051530 in words is "one billion, five hundred fifty-one million, fifty-one thousand, five hundred thirty".