612902271 has 8 divisors (see below), whose sum is σ = 843564544. Its totient is φ = 395420760.

The previous prime is 612902267. The next prime is 612902281. The reversal of 612902271 is 172209216.

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

It is not a de Polignac number, because 612902271 - 2² = 612902267 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 (612902281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3295081 + ... + 3295266.

It is an arithmetic number, because the mean of its divisors is an integer number (105445568).

Almost surely, 2^612902271 is an apocalyptic number.

612902271 is a deficient number, since it is larger than the sum of its proper divisors (230662273).

612902271 is a wasteful number, since it uses less digits than its factorization.

612902271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6590381.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 612902271 is about 24756.8631090451. The cubic root of 612902271 is about 849.4355057036.

The spelling of 612902271 in words is "six hundred twelve million, nine hundred two thousand, two hundred seventy-one".