525720029 has 2 divisors, whose sum is σ = 525720030. Its totient is φ = 525720028.

The previous prime is 525720023. The next prime is 525720043. The reversal of 525720029 is 920027525.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 524868100 + 851929 = 22910^2 + 923^2 .

It is a cyclic number.

It is not a de Polignac number, because 525720029 - 2²⁴ = 508942813 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 525719977 and 525720004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525720023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262860014 + 262860015.

It is an arithmetic number, because the mean of its divisors is an integer number (262860015).

Almost surely, 2^525720029 is an apocalyptic number.

It is an amenable number.

525720029 is a deficient number, since it is larger than the sum of its proper divisors (1).

525720029 is an equidigital number, since it uses as much as digits as its factorization.

525720029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 525720029 is about 22928.5854121008. The cubic root of 525720029 is about 807.0829530845.

The spelling of 525720029 in words is "five hundred twenty-five million, seven hundred twenty thousand, twenty-nine".