1513573420 has 24 divisors (see below), whose sum is σ = 3316701024. Its totient is φ = 579106176.

The previous prime is 1513573409. The next prime is 1513573463. The reversal of 1513573420 is 243753151.

It is a happy number.

It is a super-3 number, since 3×1513573420³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1644729 + ... + 1645648.

It is an arithmetic number, because the mean of its divisors is an integer number (138195876).

Almost surely, 2^1513573420 is an apocalyptic number.

1513573420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1513573420 is an abundant number, since it is smaller than the sum of its proper divisors (1803127604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1513573420 is a wasteful number, since it uses less digits than its factorization.

1513573420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290409 (or 3290407 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 1513573420 is about 38904.6709277948. The cubic root of 1513573420 is about 1148.1566991804.

The spelling of 1513573420 in words is "one billion, five hundred thirteen million, five hundred seventy-three thousand, four hundred twenty".