1513671225 has 24 divisors (see below), whose sum is σ = 2730113952. Its totient is φ = 733900800.

The previous prime is 1513671197. The next prime is 1513671259. The reversal of 1513671225 is 5221763151.

It is not a de Polignac number, because 1513671225 - 2⁷ = 1513671097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 916552 + ... + 918201.

It is an arithmetic number, because the mean of its divisors is an integer number (113754748).

Almost surely, 2^1513671225 is an apocalyptic number.

1513671225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1513671225 is a deficient number, since it is larger than the sum of its proper divisors (1216442727).

1513671225 is a wasteful number, since it uses less digits than its factorization.

1513671225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834777 (or 1834772 counting only the distinct ones).

The product of its digits is 12600, while the sum is 33.

The square root of 1513671225 is about 38905.9278902329. The cubic root of 1513671225 is about 1148.1814294084.

The spelling of 1513671225 in words is "one billion, five hundred thirteen million, six hundred seventy-one thousand, two hundred twenty-five".