612405253 has 8 divisors (see below), whose sum is σ = 625782528. Its totient is φ = 599042544.

The previous prime is 612405251. The next prime is 612405257. The reversal of 612405253 is 352504216.

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 612405253 - 2¹ = 612405251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612405251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156600 + ... + 160462.

It is an arithmetic number, because the mean of its divisors is an integer number (78222816).

Almost surely, 2^612405253 is an apocalyptic number.

It is an amenable number.

612405253 is a deficient number, since it is larger than the sum of its proper divisors (13377275).

612405253 is a wasteful number, since it uses less digits than its factorization.

612405253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7283.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 612405253 is about 24746.8230890351. The cubic root of 612405253 is about 849.2058340101.

Adding to 612405253 its reverse (352504216), we get a palindrome (964909469).

The spelling of 612405253 in words is "six hundred twelve million, four hundred five thousand, two hundred fifty-three".