525347939 has 2 divisors, whose sum is σ = 525347940. Its totient is φ = 525347938.

The previous prime is 525347909. The next prime is 525347969. The reversal of 525347939 is 939743525.

It is a balanced prime because it is at equal distance from previous prime (525347909) and next prime (525347969).

It is a cyclic number.

It is not a de Polignac number, because 525347939 - 2¹⁶ = 525282403 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 525347893 and 525347902.

It is not a weakly prime, because it can be changed into another prime (525347909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262673969 + 262673970.

It is an arithmetic number, because the mean of its divisors is an integer number (262673970).

Almost surely, 2^525347939 is an apocalyptic number.

525347939 is a deficient number, since it is larger than the sum of its proper divisors (1).

525347939 is an equidigital number, since it uses as much as digits as its factorization.

525347939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1020600, while the sum is 47.

The square root of 525347939 is about 22920.4698686567. The cubic root of 525347939 is about 806.8924978631.

The spelling of 525347939 in words is "five hundred twenty-five million, three hundred forty-seven thousand, nine hundred thirty-nine".