5451613 has 4 divisors (see below), whose sum is σ = 5738560. Its totient is φ = 5164668.

The previous prime is 5451601. The next prime is 5451619. The reversal of 5451613 is 3161545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5451613 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5451619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143445 + ... + 143482.

It is an arithmetic number, because the mean of its divisors is an integer number (1434640).

Almost surely, 2^5451613 is an apocalyptic number.

It is an amenable number.

5451613 is a deficient number, since it is larger than the sum of its proper divisors (286947).

5451613 is a wasteful number, since it uses less digits than its factorization.

5451613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286946.

The product of its digits is 1800, while the sum is 25.

The square root of 5451613 is about 2334.8689470718. The cubic root of 5451613 is about 175.9982459364.

The spelling of 5451613 in words is "five million, four hundred fifty-one thousand, six hundred thirteen".