525756461 has 4 divisors (see below), whose sum is σ = 526316124. Its totient is φ = 525196800.

The previous prime is 525756443. The next prime is 525756463. The reversal of 525756461 is 164657525.

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 398202025 + 127554436 = 19955^2 + 11294^2 .

It is a cyclic number.

It is not a de Polignac number, because 525756461 - 2¹⁴ = 525740077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525756463) 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, 278420 + ... + 280301.

It is an arithmetic number, because the mean of its divisors is an integer number (131579031).

Almost surely, 2^525756461 is an apocalyptic number.

It is an amenable number.

525756461 is a deficient number, since it is larger than the sum of its proper divisors (559663).

525756461 is an equidigital number, since it uses as much as digits as its factorization.

525756461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559662.

The product of its digits is 252000, while the sum is 41.

The square root of 525756461 is about 22929.3798651425. The cubic root of 525756461 is about 807.1015960664.

The spelling of 525756461 in words is "five hundred twenty-five million, seven hundred fifty-six thousand, four hundred sixty-one".