1653226247 has 2 divisors, whose sum is σ = 1653226248. Its totient is φ = 1653226246.

The previous prime is 1653226243. The next prime is 1653226261. The reversal of 1653226247 is 7426223561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1653226247 - 2² = 1653226243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1653226247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1653226243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826613123 + 826613124.

It is an arithmetic number, because the mean of its divisors is an integer number (826613124).

Almost surely, 2^1653226247 is an apocalyptic number.

1653226247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1653226247 is an equidigital number, since it uses as much as digits as its factorization.

1653226247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 38.

The square root of 1653226247 is about 40659.8849850808. The cubic root of 1653226247 is about 1182.4354198648.

The spelling of 1653226247 in words is "one billion, six hundred fifty-three million, two hundred twenty-six thousand, two hundred forty-seven".