152855531 has 2 divisors, whose sum is σ = 152855532. Its totient is φ = 152855530.

The previous prime is 152855519. The next prime is 152855533. The reversal of 152855531 is 135558251.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152855531 is a prime.

It is a super-2 number, since 2×152855531² = 46729626714583922, which contains 22 as substring.

Together with 152855533, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 152855491 and 152855500.

It is not a weakly prime, because it can be changed into another prime (152855533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76427765 + 76427766.

It is an arithmetic number, because the mean of its divisors is an integer number (76427766).

Almost surely, 2^152855531 is an apocalyptic number.

152855531 is a deficient number, since it is larger than the sum of its proper divisors (1).

152855531 is an equidigital number, since it uses as much as digits as its factorization.

152855531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30000, while the sum is 35.

The square root of 152855531 is about 12363.4756844506. The cubic root of 152855531 is about 534.6797291204.

The spelling of 152855531 in words is "one hundred fifty-two million, eight hundred fifty-five thousand, five hundred thirty-one".