525720043 has 2 divisors, whose sum is σ = 525720044. Its totient is φ = 525720042.

The previous prime is 525720029. The next prime is 525720073. The reversal of 525720043 is 340027525.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525720043 is a prime.

It is a super-2 number, since 2×525720043² = 552763127223843698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 525719993 and 525720020.

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, 262860021 + 262860022.

It is an arithmetic number, because the mean of its divisors is an integer number (262860022).

Almost surely, 2^525720043 is an apocalyptic number.

525720043 is a deficient number, since it is larger than the sum of its proper divisors (1).

525720043 is an equidigital number, since it uses as much as digits as its factorization.

525720043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 525720043 is about 22928.5857173965. The cubic root of 525720043 is about 807.0829602488.

Adding to 525720043 its reverse (340027525), we get a palindrome (865747568).

The spelling of 525720043 in words is "five hundred twenty-five million, seven hundred twenty thousand, forty-three".