1520542283 has 8 divisors (see below), whose sum is σ = 1650008976. Its totient is φ = 1392861600.

The previous prime is 1520542273. The next prime is 1520542291. The reversal of 1520542283 is 3822450251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1520542283 - 2¹⁴ = 1520525899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1520542223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444728 + ... + 448133.

It is an arithmetic number, because the mean of its divisors is an integer number (206251122).

Almost surely, 2^1520542283 is an apocalyptic number.

1520542283 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1520542283 is a deficient number, since it is larger than the sum of its proper divisors (129466693).

1520542283 is a wasteful number, since it uses less digits than its factorization.

1520542283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893005.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 1520542283 is about 38994.1313917877. The cubic root of 1520542283 is about 1149.9161332664.

The spelling of 1520542283 in words is "one billion, five hundred twenty million, five hundred forty-two thousand, two hundred eighty-three".