2520670213 has 4 divisors (see below), whose sum is σ = 2524665568. Its totient is φ = 2516674860.

The previous prime is 2520670153. The next prime is 2520670237. The reversal of 2520670213 is 3120760252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2520670213 - 2¹⁷ = 2520539141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520670253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1996731 + ... + 1997992.

It is an arithmetic number, because the mean of its divisors is an integer number (631166392).

Almost surely, 2^2520670213 is an apocalyptic number.

It is an amenable number.

2520670213 is a deficient number, since it is larger than the sum of its proper divisors (3995355).

2520670213 is an equidigital number, since it uses as much as digits as its factorization.

2520670213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3995354.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 2520670213 is about 50206.2766295211. The cubic root of 2520670213 is about 1360.9390524705.

The spelling of 2520670213 in words is "two billion, five hundred twenty million, six hundred seventy thousand, two hundred thirteen".