2531602 has 4 divisors (see below), whose sum is σ = 3797406. Its totient is φ = 1265800.

The previous prime is 2531593. The next prime is 2531609. The reversal of 2531602 is 2061352.

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 only one way, i.e., 2499561 + 32041 = 1581^2 + 179^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2531602.

It is not an unprimeable number, because it can be changed into a prime (2531609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632899 + ... + 632902.

2^2531602 is an apocalyptic number.

2531602 is a deficient number, since it is larger than the sum of its proper divisors (1265804).

2531602 is a wasteful number, since it uses less digits than its factorization.

2531602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265803.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2531602 is about 1591.1008767517. The cubic root of 2531602 is about 136.2903614679.

Adding to 2531602 its reverse (2061352), we get a palindrome (4592954).

The spelling of 2531602 in words is "two million, five hundred thirty-one thousand, six hundred two".