612541 has 8 divisors (see below), whose sum is σ = 653120. Its totient is φ = 572832.

The previous prime is 612511. The next prime is 612553. The reversal of 612541 is 145216.

612541 = 9² + 10² + ... + 122².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 612541 - 2¹³ = 604349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1801 + ... + 2113.

It is an arithmetic number, because the mean of its divisors is an integer number (81640).

2⁶¹²⁵⁴¹ is an apocalyptic number.

It is an amenable number.

612541 is a deficient number, since it is larger than the sum of its proper divisors (40579).

612541 is a wasteful number, since it uses less digits than its factorization.

612541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435.

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

The square root of 612541 is about 782.6499856258. The cubic root of 612541 is about 84.9268574941.

Adding to 612541 its reverse (145216), we get a palindrome (757757).

The spelling of 612541 in words is "six hundred twelve thousand, five hundred forty-one".