1520490275 has 6 divisors (see below), whose sum is σ = 1885407972. Its totient is φ = 1216392200.

The previous prime is 1520490269. The next prime is 1520490311. The reversal of 1520490275 is 5720940251.

It is not a de Polignac number, because 1520490275 - 2⁶ = 1520490211 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30409781 + ... + 30409830.

It is an arithmetic number, because the mean of its divisors is an integer number (314234662).

Almost surely, 2^1520490275 is an apocalyptic number.

1520490275 is a deficient number, since it is larger than the sum of its proper divisors (364917697).

1520490275 is an equidigital number, since it uses as much as digits as its factorization.

1520490275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60819621 (or 60819616 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 1520490275 is about 38993.4645165058. The cubic root of 1520490275 is about 1149.9030226982.

The spelling of 1520490275 in words is "one billion, five hundred twenty million, four hundred ninety thousand, two hundred seventy-five".