612929201 has 2 divisors, whose sum is σ = 612929202. Its totient is φ = 612929200.

The previous prime is 612929137. The next prime is 612929221. The reversal of 612929201 is 102929216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 383376400 + 229552801 = 19580^2 + 15151^2 .

It is a cyclic number.

It is not a de Polignac number, because 612929201 - 2⁶ = 612929137 is a prime.

It is a Chen prime.

It is equal to p_31964261 and since 612929201 and 31964261 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (612929221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306464600 + 306464601.

It is an arithmetic number, because the mean of its divisors is an integer number (306464601).

Almost surely, 2^612929201 is an apocalyptic number.

It is an amenable number.

612929201 is a deficient number, since it is larger than the sum of its proper divisors (1).

612929201 is an equidigital number, since it uses as much as digits as its factorization.

612929201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 612929201 is about 24757.4069926558. The cubic root of 612929201 is about 849.4479464925.

The spelling of 612929201 in words is "six hundred twelve million, nine hundred twenty-nine thousand, two hundred one".