265454531 has 2 divisors, whose sum is σ = 265454532. Its totient is φ = 265454530.

The previous prime is 265454521. The next prime is 265454533. The reversal of 265454531 is 135454562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265454531 - 2⁶ = 265454467 is a prime.

It is a super-2 number, since 2×265454531² = 140932216056859922, which contains 22 as substring.

Together with 265454533, 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 = 265454491 and 265454500.

It is not a weakly prime, because it can be changed into another prime (265454533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132727265 + 132727266.

It is an arithmetic number, because the mean of its divisors is an integer number (132727266).

Almost surely, 2^265454531 is an apocalyptic number.

265454531 is a deficient number, since it is larger than the sum of its proper divisors (1).

265454531 is an equidigital number, since it uses as much as digits as its factorization.

265454531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72000, while the sum is 35.

The square root of 265454531 is about 16292.7754234814. The cubic root of 265454531 is about 642.6828548875.

The spelling of 265454531 in words is "two hundred sixty-five million, four hundred fifty-four thousand, five hundred thirty-one".