1520325125 has 16 divisors (see below), whose sum is σ = 2069855424. Its totient is φ = 1105690000.

The previous prime is 1520325089. The next prime is 1520325137. The reversal of 1520325125 is 5215230251.

It is not a de Polignac number, because 1520325125 - 2⁶ = 1520325061 is a prime.

It is a super-2 number, since 2×1520325125² = 4622776971412531250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1520325094 and 1520325103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551471 + ... + 554220.

It is an arithmetic number, because the mean of its divisors is an integer number (129365964).

Almost surely, 2^1520325125 is an apocalyptic number.

It is an amenable number.

1520325125 is a deficient number, since it is larger than the sum of its proper divisors (549530299).

1520325125 is a wasteful number, since it uses less digits than its factorization.

1520325125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105717 (or 1105707 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1520325125 is about 38991.3467964368. The cubic root of 1520325125 is about 1149.8613884606.

Adding to 1520325125 its reverse (5215230251), we get a palindrome (6735555376).

The spelling of 1520325125 in words is "one billion, five hundred twenty million, three hundred twenty-five thousand, one hundred twenty-five".