10945531 has 2 divisors, whose sum is σ = 10945532. Its totient is φ = 10945530.

The previous prime is 10945489. The next prime is 10945541. The reversal of 10945531 is 13554901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10945531 - 2⁹ = 10945019 is a prime.

It is a super-2 number, since 2×10945531² = 239609297743922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10945531.

It is not a weakly prime, because it can be changed into another prime (10945541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5472765 + 5472766.

It is an arithmetic number, because the mean of its divisors is an integer number (5472766).

Almost surely, 2^10945531 is an apocalyptic number.

10945531 is a deficient number, since it is larger than the sum of its proper divisors (1).

10945531 is an equidigital number, since it uses as much as digits as its factorization.

10945531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 10945531 is about 3308.4030891051. The cubic root of 10945531 is about 222.0303167211.

It can be divided in two parts, 10945 and 531, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 10945531 in words is "ten million, nine hundred forty-five thousand, five hundred thirty-one".