612451 has 12 divisors (see below), whose sum is σ = 738720. Its totient is φ = 505680.

The previous prime is 612439. The next prime is 612481. The reversal of 612451 is 154216.

It is not a de Polignac number, because 612451 - 2⁹ = 611939 is a prime.

It is a Duffinian number.

It is a zygodrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (612401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1206 + ... + 1636.

It is an arithmetic number, because the mean of its divisors is an integer number (61560).

2⁶¹²⁴⁵¹ is an apocalyptic number.

612451 is a deficient number, since it is larger than the sum of its proper divisors (126269).

612451 is a wasteful number, since it uses less digits than its factorization.

612451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 467 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 612451 is about 782.5924865471. The cubic root of 612451 is about 84.9226978860.

Adding to 612451 its reverse (154216), we get a palindrome (766667).

The spelling of 612451 in words is "six hundred twelve thousand, four hundred fifty-one".