612240411 has 8 divisors (see below), whose sum is σ = 823950144. Its totient is φ = 404345480.

The previous prime is 612240403. The next prime is 612240451. The reversal of 612240411 is 114042216.

It is a happy number.

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 612240411 - 2³ = 612240403 is a prime.

It is a super-2 number, since 2×612240411² = 749676641722897842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (612240451) 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, 953325 + ... + 953966.

It is an arithmetic number, because the mean of its divisors is an integer number (102993768).

Almost surely, 2^612240411 is an apocalyptic number.

612240411 is a deficient number, since it is larger than the sum of its proper divisors (211709733).

612240411 is a wasteful number, since it uses less digits than its factorization.

612240411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907401.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 612240411 is about 24743.4922959553. The cubic root of 612240411 is about 849.1296331887.

Adding to 612240411 its reverse (114042216), we get a palindrome (726282627).

The spelling of 612240411 in words is "six hundred twelve million, two hundred forty thousand, four hundred eleven".