612508847 has 2 divisors, whose sum is σ = 612508848. Its totient is φ = 612508846.

The previous prime is 612508789. The next prime is 612508903. The reversal of 612508847 is 748805216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612508847 - 2⁶ = 612508783 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612538847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306254423 + 306254424.

It is an arithmetic number, because the mean of its divisors is an integer number (306254424).

Almost surely, 2^612508847 is an apocalyptic number.

612508847 is a deficient number, since it is larger than the sum of its proper divisors (1).

612508847 is an equidigital number, since it uses as much as digits as its factorization.

612508847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 612508847 is about 24748.9160772750. The cubic root of 612508847 is about 849.2537149782.

The spelling of 612508847 in words is "six hundred twelve million, five hundred eight thousand, eight hundred forty-seven".