2030257515 has 32 divisors (see below), whose sum is σ = 3816320256. Its totient is φ = 908645760.

The previous prime is 2030257507. The next prime is 2030257529. The reversal of 2030257515 is 5157520302.

It is not a de Polignac number, because 2030257515 - 2³ = 2030257507 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 471109 + ... + 475398.

It is an arithmetic number, because the mean of its divisors is an integer number (119260008).

Almost surely, 2^2030257515 is an apocalyptic number.

2030257515 is a deficient number, since it is larger than the sum of its proper divisors (1786062741).

2030257515 is a wasteful number, since it uses less digits than its factorization.

2030257515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946539.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 2030257515 is about 45058.3789655154. The cubic root of 2030257515 is about 1266.2429554259.

Adding to 2030257515 its reverse (5157520302), we get a palindrome (7187777817).

The spelling of 2030257515 in words is "two billion, thirty million, two hundred fifty-seven thousand, five hundred fifteen".