1513505450 has 12 divisors (see below), whose sum is σ = 2815120230. Its totient is φ = 605402160.

The previous prime is 1513505449. The next prime is 1513505489. The reversal of 1513505450 is 545053151.

It can be written as a sum of positive squares in 3 ways, for example, as 856557289 + 656948161 = 29267^2 + 25631^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15135005 + ... + 15135104.

Almost surely, 2^1513505450 is an apocalyptic number.

1513505450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1513505450 is a deficient number, since it is larger than the sum of its proper divisors (1301614780).

1513505450 is a wasteful number, since it uses less digits than its factorization.

1513505450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30270121 (or 30270116 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 1513505450 is about 38903.7973724931. The cubic root of 1513505450 is about 1148.1395121760.

The spelling of 1513505450 in words is "one billion, five hundred thirteen million, five hundred five thousand, four hundred fifty".