852057551 has 2 divisors, whose sum is σ = 852057552. Its totient is φ = 852057550.

The previous prime is 852057539. The next prime is 852057553. The reversal of 852057551 is 155750258.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 852057551 - 2⁶ = 852057487 is a prime.

It is a super-2 number, since 2×852057551² = 1452004140432235202, which contains 22 as substring.

Together with 852057553, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (852057553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426028775 + 426028776.

It is an arithmetic number, because the mean of its divisors is an integer number (426028776).

Almost surely, 2^852057551 is an apocalyptic number.

852057551 is a deficient number, since it is larger than the sum of its proper divisors (1).

852057551 is an equidigital number, since it uses as much as digits as its factorization.

852057551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70000, while the sum is 38.

The square root of 852057551 is about 29190.0248543916. The cubic root of 852057551 is about 948.0319556813.

The spelling of 852057551 in words is "eight hundred fifty-two million, fifty-seven thousand, five hundred fifty-one".