1520053315 has 8 divisors (see below), whose sum is σ = 1989888048. Its totient is φ = 1105493280.

The previous prime is 1520053313. The next prime is 1520053361. The reversal of 1520053315 is 5133500251.

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

It is not a de Polignac number, because 1520053315 - 2¹ = 1520053313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1520053315.

It is not an unprimeable number, because it can be changed into a prime (1520053313) 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, 13818612 + ... + 13818721.

It is an arithmetic number, because the mean of its divisors is an integer number (248736006).

Almost surely, 2^1520053315 is an apocalyptic number.

1520053315 is a deficient number, since it is larger than the sum of its proper divisors (469834733).

1520053315 is a wasteful number, since it uses less digits than its factorization.

1520053315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27637349.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 1520053315 is about 38987.8611236882. The cubic root of 1520053315 is about 1149.7928587216.

Adding to 1520053315 its reverse (5133500251), we get a palindrome (6653553566).

The spelling of 1520053315 in words is "one billion, five hundred twenty million, fifty-three thousand, three hundred fifteen".