2154602 has 4 divisors (see below), whose sum is σ = 3231906. Its totient is φ = 1077300.

The previous prime is 2154587. The next prime is 2154611. The reversal of 2154602 is 2064512.

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., 2128681 + 25921 = 1459^2 + 161^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538649 + ... + 538652.

2^2154602 is an apocalyptic number.

2154602 is a deficient number, since it is larger than the sum of its proper divisors (1077304).

2154602 is a wasteful number, since it uses less digits than its factorization.

2154602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077303.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2154602 is about 1467.8562599928. The cubic root of 2154602 is about 129.1583097380.

The spelling of 2154602 in words is "two million, one hundred fifty-four thousand, six hundred two".