612538039 has 2 divisors, whose sum is σ = 612538040. Its totient is φ = 612538038.

The previous prime is 612538037. The next prime is 612538051. The reversal of 612538039 is 930835216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 612538039 - 2¹ = 612538037 is a prime.

Together with 612538037, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 612537989 and 612538007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612538037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306269019 + 306269020.

It is an arithmetic number, because the mean of its divisors is an integer number (306269020).

Almost surely, 2^612538039 is an apocalyptic number.

612538039 is a deficient number, since it is larger than the sum of its proper divisors (1).

612538039 is an equidigital number, since it uses as much as digits as its factorization.

612538039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 612538039 is about 24749.5058334505. The cubic root of 612538039 is about 849.2672064952.

The spelling of 612538039 in words is "six hundred twelve million, five hundred thirty-eight thousand, thirty-nine".