10523531 has 2 divisors, whose sum is σ = 10523532. Its totient is φ = 10523530.

The previous prime is 10523509. The next prime is 10523533. The reversal of 10523531 is 13532501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10523531 - 2⁶ = 10523467 is a prime.

It is a super-2 number, since 2×10523531² = 221489409415922, which contains 22 as substring.

Together with 10523533, 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 (10523533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5261765 + 5261766.

It is an arithmetic number, because the mean of its divisors is an integer number (5261766).

Almost surely, 2^10523531 is an apocalyptic number.

10523531 is a deficient number, since it is larger than the sum of its proper divisors (1).

10523531 is an equidigital number, since it uses as much as digits as its factorization.

10523531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 10523531 is about 3243.9992293464. Note that the first 3 decimals coincide. The cubic root of 10523531 is about 219.1394134662.

The spelling of 10523531 in words is "ten million, five hundred twenty-three thousand, five hundred thirty-one".