525613601 has 4 divisors (see below), whose sum is σ = 539819412. Its totient is φ = 511407792.

The previous prime is 525613577. The next prime is 525613657. The reversal of 525613601 is 106316525.

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 316840000 + 208773601 = 17800^2 + 14449^2 .

It is a cyclic number.

It is not a de Polignac number, because 525613601 - 2⁶ = 525613537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525613681) 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, 7102850 + ... + 7102923.

It is an arithmetic number, because the mean of its divisors is an integer number (134954853).

Almost surely, 2^525613601 is an apocalyptic number.

It is an amenable number.

525613601 is a deficient number, since it is larger than the sum of its proper divisors (14205811).

525613601 is a wasteful number, since it uses less digits than its factorization.

525613601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14205810.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 525613601 is about 22926.2644362312. The cubic root of 525613601 is about 807.0284868181.

The spelling of 525613601 in words is "five hundred twenty-five million, six hundred thirteen thousand, six hundred one".