1513253205 has 128 divisors (see below), whose sum is σ = 2908224000. Its totient is φ = 745113600.

The previous prime is 1513253197. The next prime is 1513253207. The reversal of 1513253205 is 5023523151.

It is a happy number.

1513253205 is a `hidden beast` number, since 15 + 1 + 325 + 320 + 5 = 666.

It is not a de Polignac number, because 1513253205 - 2³ = 1513253197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513253207) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14982655 + ... + 14982755.

It is an arithmetic number, because the mean of its divisors is an integer number (22720500).

Almost surely, 2^1513253205 is an apocalyptic number.

1513253205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1513253205 is a deficient number, since it is larger than the sum of its proper divisors (1394970795).

1513253205 is a wasteful number, since it uses less digits than its factorization.

1513253205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 1513253205 is about 38900.5553302263. Note that the first 3 decimals coincide. The cubic root of 1513253205 is about 1148.0757245978.

Adding to 1513253205 its reverse (5023523151), we get a palindrome (6536776356).

The spelling of 1513253205 in words is "one billion, five hundred thirteen million, two hundred fifty-three thousand, two hundred five".