1520035413 has 32 divisors (see below), whose sum is σ = 2245694976. Its totient is φ = 908671488.

The previous prime is 1520035409. The next prime is 1520035421. The reversal of 1520035413 is 3145300251.

It is not a de Polignac number, because 1520035413 - 2² = 1520035409 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520035453) 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 31 ways as a sum of consecutive naturals, for example, 248095 + ... + 254147.

It is an arithmetic number, because the mean of its divisors is an integer number (70177968).

Almost surely, 2^1520035413 is an apocalyptic number.

1520035413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1520035413 is a deficient number, since it is larger than the sum of its proper divisors (725659563).

1520035413 is a wasteful number, since it uses less digits than its factorization.

1520035413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6253.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1520035413 is about 38987.6315387329. The cubic root of 1520035413 is about 1149.7883449167.

Adding to 1520035413 its reverse (3145300251), we get a palindrome (4665335664).

The spelling of 1520035413 in words is "one billion, five hundred twenty million, thirty-five thousand, four hundred thirteen".