1652457251 has 2 divisors, whose sum is σ = 1652457252. Its totient is φ = 1652457250.

The previous prime is 1652457223. The next prime is 1652457253. The reversal of 1652457251 is 1527542561.

It is a strong prime.

It is an emirp because it is prime and its reverse (1527542561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1652457251 - 2¹⁰ = 1652456227 is a prime.

It is a super-2 number, since 2×1652457251² = 5461229932764954002, which contains 22 as substring.

Together with 1652457253, 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 (1652457253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826228625 + 826228626.

It is an arithmetic number, because the mean of its divisors is an integer number (826228626).

Almost surely, 2^1652457251 is an apocalyptic number.

1652457251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1652457251 is an equidigital number, since it uses as much as digits as its factorization.

1652457251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84000, while the sum is 38.

The square root of 1652457251 is about 40650.4274393271. The cubic root of 1652457251 is about 1182.2520553413.

The spelling of 1652457251 in words is "one billion, six hundred fifty-two million, four hundred fifty-seven thousand, two hundred fifty-one".