2535601 has 4 divisors (see below), whose sum is σ = 2684772. Its totient is φ = 2386432.

The previous prime is 2535571. The next prime is 2535641. The reversal of 2535601 is 1065352.

It is a happy number.

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 998001 + 1537600 = 999^2 + 1240^2 .

It is a cyclic number.

It is not a de Polignac number, because 2535601 - 2⁷ = 2535473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2535641) 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, 74560 + ... + 74593.

It is an arithmetic number, because the mean of its divisors is an integer number (671193).

2^2535601 is an apocalyptic number.

It is an amenable number.

2535601 is a deficient number, since it is larger than the sum of its proper divisors (149171).

2535601 is a wasteful number, since it uses less digits than its factorization.

2535601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149170.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 2535601 is about 1592.3570579490. The cubic root of 2535601 is about 136.3620865952.

It can be divided in two parts, 2535 and 601, that added together give a square (3136 = 56²).

The spelling of 2535601 in words is "two million, five hundred thirty-five thousand, six hundred one".