2631602 has 4 divisors (see below), whose sum is σ = 3947406. Its totient is φ = 1315800.

The previous prime is 2631581. The next prime is 2631631. The reversal of 2631602 is 2061362.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2061362 = 2 ⋅1030681.

It can be written as a sum of positive squares in only one way, i.e., 1819801 + 811801 = 1349^2 + 901^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657899 + ... + 657902.

2^2631602 is an apocalyptic number.

2631602 is a deficient number, since it is larger than the sum of its proper divisors (1315804).

2631602 is a wasteful number, since it uses less digits than its factorization.

2631602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315803.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2631602 is about 1622.2213165903. The cubic root of 2631602 is about 138.0617590963.

Adding to 2631602 its reverse (2061362), we get a palindrome (4692964).

The spelling of 2631602 in words is "two million, six hundred thirty-one thousand, six hundred two".