3254607661 has 2 divisors, whose sum is σ = 3254607662.
Its totient is φ = 3254607660.
The previous prime is 3254607659. The next prime is 3254607673. The reversal of 3254607661 is 1667064523.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 3241138761 + 13468900 = 56931^2 + 3670^2
It is a cyclic number.
It is not a de Polignac number, because 3254607661 - 21 = 3254607659 is a prime.
Together with 3254607659, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3254601661) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1627303830 + 1627303831.
It is an arithmetic number, because the mean of its divisors is an integer number (1627303831).
Almost surely, 23254607661 is an apocalyptic number.
It is an amenable number.
3254607661 is a deficient number, since it is larger than the sum of its proper divisors (1).
3254607661 is an equidigital number, since it uses as much as digits as its factorization.
3254607661 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 181440, while the sum is 40.
The square root of 3254607661 is about 57049.1688020080.
The cubic root of 3254607661 is about 1481.9477127608.
The spelling of 3254607661 in words is "three billion, two hundred fifty-four million, six hundred seven thousand, six hundred sixty-one".