612633011 has 4 divisors (see below), whose sum is σ = 614398872. Its totient is φ = 610867152.

The previous prime is 612632983. The next prime is 612633061. The reversal of 612633011 is 110336216.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 612633011 - 2²² = 608438707 is a prime.

It is a super-2 number, since 2×612633011² = 750638412333852242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612633061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 882410 + ... + 883103.

It is an arithmetic number, because the mean of its divisors is an integer number (153599718).

Almost surely, 2^612633011 is an apocalyptic number.

612633011 is a deficient number, since it is larger than the sum of its proper divisors (1765861).

612633011 is a wasteful number, since it uses less digits than its factorization.

612633011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765860.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 612633011 is about 24751.4244236569. The cubic root of 612633011 is about 849.3110962522.

Adding to 612633011 its reverse (110336216), we get a palindrome (722969227).

The spelling of 612633011 in words is "six hundred twelve million, six hundred thirty-three thousand, eleven".