525522451 has 2 divisors, whose sum is σ = 525522452. Its totient is φ = 525522450.

The previous prime is 525522419. The next prime is 525522523. The reversal of 525522451 is 154225525.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 525522451 - 2⁵ = 525522419 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (525522251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262761225 + 262761226.

It is an arithmetic number, because the mean of its divisors is an integer number (262761226).

Almost surely, 2^525522451 is an apocalyptic number.

525522451 is a deficient number, since it is larger than the sum of its proper divisors (1).

525522451 is an equidigital number, since it uses as much as digits as its factorization.

525522451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20000, while the sum is 31.

The square root of 525522451 is about 22924.2764553213. The cubic root of 525522451 is about 806.9818334723.

Adding to 525522451 its reverse (154225525), we get a palindrome (679747976).

The spelling of 525522451 in words is "five hundred twenty-five million, five hundred twenty-two thousand, four hundred fifty-one".