612573249 has 4 divisors (see below), whose sum is σ = 816764336. Its totient is φ = 408382164.

The previous prime is 612573229. The next prime is 612573259. The reversal of 612573249 is 942375216.

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 not a de Polignac number, because 612573249 - 2¹⁷ = 612442177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612573209) 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, 102095539 + ... + 102095544.

It is an arithmetic number, because the mean of its divisors is an integer number (204191084).

Almost surely, 2^612573249 is an apocalyptic number.

It is an amenable number.

612573249 is a deficient number, since it is larger than the sum of its proper divisors (204191087).

612573249 is a wasteful number, since it uses less digits than its factorization.

612573249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204191086.

The product of its digits is 90720, while the sum is 39.

The square root of 612573249 is about 24750.2171505625. The cubic root of 612573249 is about 849.2834787502.

The spelling of 612573249 in words is "six hundred twelve million, five hundred seventy-three thousand, two hundred forty-nine".