612653202251 has 2 divisors, whose sum is σ = 612653202252. Its totient is φ = 612653202250.

The previous prime is 612653202241. The next prime is 612653202253. The reversal of 612653202251 is 152202356216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612653202251 - 2³⁴ = 595473333067 is a prime.

It is a super-2 number, since 2×612653202251² (a number of 24 digits) contains 22 as substring.

Together with 612653202253, 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 (612653202253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306326601125 + 306326601126.

It is an arithmetic number, because the mean of its divisors is an integer number (306326601126).

Almost surely, 2^612653202251 is an apocalyptic number.

612653202251 is a deficient number, since it is larger than the sum of its proper divisors (1).

612653202251 is an equidigital number, since it uses as much as digits as its factorization.

612653202251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 612653202251 its reverse (152202356216), we get a palindrome (764855558467).

The spelling of 612653202251 in words is "six hundred twelve billion, six hundred fifty-three million, two hundred two thousand, two hundred fifty-one".