525606451 has 2 divisors, whose sum is σ = 525606452. Its totient is φ = 525606450.

The previous prime is 525606449. The next prime is 525606461. The reversal of 525606451 is 154606525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 525606451 - 2¹ = 525606449 is a prime.

Together with 525606449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (525606421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262803225 + 262803226.

It is an arithmetic number, because the mean of its divisors is an integer number (262803226).

Almost surely, 2^525606451 is an apocalyptic number.

525606451 is a deficient number, since it is larger than the sum of its proper divisors (1).

525606451 is an equidigital number, since it uses as much as digits as its factorization.

525606451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 525606451 is about 22926.1085010082. The cubic root of 525606451 is about 807.0248274253.

The spelling of 525606451 in words is "five hundred twenty-five million, six hundred six thousand, four hundred fifty-one".