1520752245 has 16 divisors (see below), whose sum is σ = 2434629120. Its totient is φ = 810592704.

The previous prime is 1520752243. The next prime is 1520752271. The reversal of 1520752245 is 5422570251.

It is not a de Polignac number, because 1520752245 - 2¹ = 1520752243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520752241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2434 + ... + 55203.

It is an arithmetic number, because the mean of its divisors is an integer number (152164320).

Almost surely, 2^1520752245 is an apocalyptic number.

1520752245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1520752245 is a deficient number, since it is larger than the sum of its proper divisors (913876875).

1520752245 is a wasteful number, since it uses less digits than its factorization.

1520752245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59404.

The product of its (nonzero) digits is 28000, while the sum is 33.

The square root of 1520752245 is about 38996.8235244872. The cubic root of 1520752245 is about 1149.9690590289.

The spelling of 1520752245 in words is "one billion, five hundred twenty million, seven hundred fifty-two thousand, two hundred forty-five".