526651 has 2 divisors, whose sum is σ = 526652. Its totient is φ = 526650.

The previous prime is 526649. The next prime is 526657. The reversal of 526651 is 156625.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 526651 - 2¹ = 526649 is a prime.

It is a super-2 number, since 2×526651² = 554722551602, which contains 22 as substring.

Together with 526649, it forms a pair of twin primes.

526651 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (526657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263325 + 263326.

It is an arithmetic number, because the mean of its divisors is an integer number (263326).

2⁵²⁶⁶⁵¹ is an apocalyptic number.

526651 is a deficient number, since it is larger than the sum of its proper divisors (1).

526651 is an equidigital number, since it uses as much as digits as its factorization.

526651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 25.

The square root of 526651 is about 725.7072412481. The cubic root of 526651 is about 80.7559079601.

The spelling of 526651 in words is "five hundred twenty-six thousand, six hundred fifty-one".