2820713525 has 24 divisors (see below), whose sum is σ = 4232496960. Its totient is φ = 1820424960.

The previous prime is 2820713521. The next prime is 2820713543. The reversal of 2820713525 is 5253170282.

It is not a de Polignac number, because 2820713525 - 2² = 2820713521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2820713521) 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, 471095 + ... + 477044.

It is an arithmetic number, because the mean of its divisors is an integer number (176354040).

Almost surely, 2^2820713525 is an apocalyptic number.

2820713525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2820713525 is a deficient number, since it is larger than the sum of its proper divisors (1411783435).

2820713525 is a wasteful number, since it uses less digits than its factorization.

2820713525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948173 (or 948168 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 2820713525 is about 53110.3899910366. The cubic root of 2820713525 is about 1412.9267919586.

The spelling of 2820713525 in words is "two billion, eight hundred twenty million, seven hundred thirteen thousand, five hundred twenty-five".