612580243 has 32 divisors (see below), whose sum is σ = 707346432. Its totient is φ = 525463200.

The previous prime is 612580231. The next prime is 612580249. The reversal of 612580243 is 342085216.

It is a cyclic number.

It is not a de Polignac number, because 612580243 - 2⁵ = 612580211 is a prime.

It is a super-2 number, since 2×612580243² = 750509108227878098, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612580249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3758080 + ... + 3758242.

It is an arithmetic number, because the mean of its divisors is an integer number (22104576).

Almost surely, 2^612580243 is an apocalyptic number.

612580243 is a deficient number, since it is larger than the sum of its proper divisors (94766189).

612580243 is a wasteful number, since it uses less digits than its factorization.

612580243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 612580243 is about 24750.3584418489. The cubic root of 612580243 is about 849.2867109438.

It can be divided in two parts, 6125 and 80243, that added together give a palindrome (86368).

The spelling of 612580243 in words is "six hundred twelve million, five hundred eighty thousand, two hundred forty-three".