612532763 has 4 divisors (see below), whose sum is σ = 648564120. Its totient is φ = 576501408.

The previous prime is 612532759. The next prime is 612532783. The reversal of 612532763 is 367235216.

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 612532763 - 2² = 612532759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612532703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18015653 + ... + 18015686.

It is an arithmetic number, because the mean of its divisors is an integer number (162141030).

Almost surely, 2^612532763 is an apocalyptic number.

612532763 is a deficient number, since it is larger than the sum of its proper divisors (36031357).

612532763 is a wasteful number, since it uses less digits than its factorization.

612532763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36031356.

The product of its digits is 45360, while the sum is 35.

The square root of 612532763 is about 24749.3992452342. The cubic root of 612532763 is about 849.2647681451.

Adding to 612532763 its reverse (367235216), we get a palindrome (979767979).

The spelling of 612532763 in words is "six hundred twelve million, five hundred thirty-two thousand, seven hundred sixty-three".