150206531 has 2 divisors, whose sum is σ = 150206532. Its totient is φ = 150206530.

The previous prime is 150206527. The next prime is 150206549. The reversal of 150206531 is 135602051.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 150206531 - 2² = 150206527 is a prime.

It is a super-2 number, since 2×150206531² = 45124003910107922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 150206497 and 150206506.

It is not a weakly prime, because it can be changed into another prime (150206521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75103265 + 75103266.

It is an arithmetic number, because the mean of its divisors is an integer number (75103266).

Almost surely, 2^150206531 is an apocalyptic number.

150206531 is a deficient number, since it is larger than the sum of its proper divisors (1).

150206531 is an equidigital number, since it uses as much as digits as its factorization.

150206531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 150206531 is about 12255.8774063712. The cubic root of 150206531 is about 531.5730304642.

Adding to 150206531 its reverse (135602051), we get a palindrome (285808582).

The spelling of 150206531 in words is "one hundred fifty million, two hundred six thousand, five hundred thirty-one".