525540629 has 2 divisors, whose sum is σ = 525540630. Its totient is φ = 525540628.

The previous prime is 525540619. The next prime is 525540649. The reversal of 525540629 is 926045525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 497736100 + 27804529 = 22310^2 + 5273^2 .

It is a cyclic number.

It is not a de Polignac number, because 525540629 - 2²⁰ = 524492053 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 525540592 and 525540601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525540619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262770314 + 262770315.

It is an arithmetic number, because the mean of its divisors is an integer number (262770315).

Almost surely, 2^525540629 is an apocalyptic number.

It is an amenable number.

525540629 is a deficient number, since it is larger than the sum of its proper divisors (1).

525540629 is an equidigital number, since it uses as much as digits as its factorization.

525540629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 525540629 is about 22924.6729311456. The cubic root of 525540629 is about 806.9911379569.

The spelling of 525540629 in words is "five hundred twenty-five million, five hundred forty thousand, six hundred twenty-nine".