612801397 has 32 divisors (see below), whose sum is σ = 752855040. Its totient is φ = 492687360.

The previous prime is 612801391. The next prime is 612801421. The reversal of 612801397 is 793108216.

612801397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 612801397 - 2⁷ = 612801269 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 (612801391) 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, 155629 + ... + 159517.

It is an arithmetic number, because the mean of its divisors is an integer number (23526720).

Almost surely, 2^612801397 is an apocalyptic number.

It is an amenable number.

612801397 is a deficient number, since it is larger than the sum of its proper divisors (140053643).

612801397 is a wasteful number, since it uses less digits than its factorization.

612801397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3973.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 612801397 is about 24754.8257315619. The cubic root of 612801397 is about 849.3889019396.

The spelling of 612801397 in words is "six hundred twelve million, eight hundred one thousand, three hundred ninety-seven".