1520475213 has 8 divisors (see below), whose sum is σ = 2032948800. Its totient is φ = 1010825888.

The previous prime is 1520475179. The next prime is 1520475241. The reversal of 1520475213 is 3125740251.

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

It is a cyclic number.

It is not a de Polignac number, because 1520475213 - 2⁶ = 1520475149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520475263) 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, 704808 + ... + 706961.

It is an arithmetic number, because the mean of its divisors is an integer number (254118600).

Almost surely, 2^1520475213 is an apocalyptic number.

It is an amenable number.

1520475213 is a deficient number, since it is larger than the sum of its proper divisors (512473587).

1520475213 is a wasteful number, since it uses less digits than its factorization.

1520475213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412131.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 1520475213 is about 38993.2713810986. The cubic root of 1520475213 is about 1149.8992257000.

The spelling of 1520475213 in words is "one billion, five hundred twenty million, four hundred seventy-five thousand, two hundred thirteen".