2520362261 has 4 divisors (see below), whose sum is σ = 2525806272. Its totient is φ = 2514918252.

The previous prime is 2520362239. The next prime is 2520362269. The reversal of 2520362261 is 1622630252.

2520362261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2520362261 - 2⁶ = 2520362197 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 (2520362269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2721311 + ... + 2722236.

It is an arithmetic number, because the mean of its divisors is an integer number (631451568).

Almost surely, 2^2520362261 is an apocalyptic number.

It is an amenable number.

2520362261 is a deficient number, since it is larger than the sum of its proper divisors (5444011).

2520362261 is an equidigital number, since it uses as much as digits as its factorization.

2520362261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5444010.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2520362261 is about 50203.2096683071. The cubic root of 2520362261 is about 1360.8836279291.

The spelling of 2520362261 in words is "two billion, five hundred twenty million, three hundred sixty-two thousand, two hundred sixty-one".