2620523251 has 2 divisors, whose sum is σ = 2620523252. Its totient is φ = 2620523250.

The previous prime is 2620523233. The next prime is 2620523281. The reversal of 2620523251 is 1523250262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2620523251 - 2¹¹ = 2620521203 is a prime.

It is not a weakly prime, because it can be changed into another prime (2620523221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310261625 + 1310261626.

It is an arithmetic number, because the mean of its divisors is an integer number (1310261626).

Almost surely, 2^2620523251 is an apocalyptic number.

2620523251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2620523251 is an equidigital number, since it uses as much as digits as its factorization.

2620523251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2620523251 is about 51191.0465901997. The cubic root of 2620523251 is about 1378.6774507962.

The spelling of 2620523251 in words is "two billion, six hundred twenty million, five hundred twenty-three thousand, two hundred fifty-one".