525273937 has 4 divisors (see below), whose sum is σ = 535184820. Its totient is φ = 515363056.

The previous prime is 525273901. The next prime is 525273979. The reversal of 525273937 is 739372525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 162409536 + 362864401 = 12744^2 + 19049^2 .

It is a cyclic number.

It is not a de Polignac number, because 525273937 - 2⁷ = 525273809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 525273893 and 525273902.

It is not an unprimeable number, because it can be changed into a prime (525273997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4955362 + ... + 4955467.

It is an arithmetic number, because the mean of its divisors is an integer number (133796205).

Almost surely, 2^525273937 is an apocalyptic number.

It is an amenable number.

525273937 is a deficient number, since it is larger than the sum of its proper divisors (9910883).

525273937 is an equidigital number, since it uses as much as digits as its factorization.

525273937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9910882.

The product of its digits is 396900, while the sum is 43.

The square root of 525273937 is about 22918.8554906217. The cubic root of 525273937 is about 806.8546090291.

The spelling of 525273937 in words is "five hundred twenty-five million, two hundred seventy-three thousand, nine hundred thirty-seven".