2154502 has 16 divisors (see below), whose sum is σ = 3854592. Its totient is φ = 883080.

The previous prime is 2154499. The next prime is 2154533. The reversal of 2154502 is 2054512.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2154502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3024 + ... + 3667.

It is an arithmetic number, because the mean of its divisors is an integer number (240912).

2^2154502 is an apocalyptic number.

2154502 is a deficient number, since it is larger than the sum of its proper divisors (1700090).

2154502 is a wasteful number, since it uses less digits than its factorization.

2154502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6723.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2154502 is about 1467.8221963167. The cubic root of 2154502 is about 129.1563115297.

The spelling of 2154502 in words is "two million, one hundred fifty-four thousand, five hundred two".