5153661 has 6 divisors (see below), whose sum is σ = 7444190. Its totient is φ = 3435768.

The previous prime is 5153651. The next prime is 5153663. The reversal of 5153661 is 1663515.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4756761 + 396900 = 2181^2 + 630^2 .

It is not a de Polignac number, because 5153661 - 2⁹ = 5153149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5153663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 286306 + ... + 286323.

Almost surely, 2^5153661 is an apocalyptic number.

It is an amenable number.

5153661 is a deficient number, since it is larger than the sum of its proper divisors (2290529).

5153661 is a wasteful number, since it uses less digits than its factorization.

5153661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572635 (or 572632 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 5153661 is about 2270.1676149571. The cubic root of 5153661 is about 172.7316610234.

The spelling of 5153661 in words is "five million, one hundred fifty-three thousand, six hundred sixty-one".