1520764325 has 24 divisors (see below), whose sum is σ = 2026513152. Its totient is φ = 1127934720.

The previous prime is 1520764309. The next prime is 1520764327. The reversal of 1520764325 is 5234670251.

It is not a de Polignac number, because 1520764325 - 2⁴ = 1520764309 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520764327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1772 + ... + 55178.

It is an arithmetic number, because the mean of its divisors is an integer number (84438048).

Almost surely, 2^1520764325 is an apocalyptic number.

It is an amenable number.

1520764325 is a deficient number, since it is larger than the sum of its proper divisors (505748827).

1520764325 is a wasteful number, since it uses less digits than its factorization.

1520764325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53501 (or 53496 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 1520764325 is about 38996.9784085896. The cubic root of 1520764325 is about 1149.9721039232.

The spelling of 1520764325 in words is "one billion, five hundred twenty million, seven hundred sixty-four thousand, three hundred twenty-five".