612662801 has 2 divisors, whose sum is σ = 612662802. Its totient is φ = 612662800.

The previous prime is 612662797. The next prime is 612662803. The reversal of 612662801 is 108266216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 368678401 + 243984400 = 19201^2 + 15620^2 .

It is a cyclic number.

It is not a de Polignac number, because 612662801 - 2² = 612662797 is a prime.

Together with 612662803, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (612662803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306331400 + 306331401.

It is an arithmetic number, because the mean of its divisors is an integer number (306331401).

Almost surely, 2^612662801 is an apocalyptic number.

It is an amenable number.

612662801 is a deficient number, since it is larger than the sum of its proper divisors (1).

612662801 is an equidigital number, since it uses as much as digits as its factorization.

612662801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 612662801 is about 24752.0261998892. The cubic root of 612662801 is about 849.3248622790.

The spelling of 612662801 in words is "six hundred twelve million, six hundred sixty-two thousand, eight hundred one".