151012531 has 2 divisors, whose sum is σ = 151012532. Its totient is φ = 151012530.

The previous prime is 151012481. The next prime is 151012559. The reversal of 151012531 is 135210151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 151012531 - 2¹⁹ = 150488243 is a prime.

It is a super-2 number, since 2×151012531² = 45609569038051922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 151012499 and 151012508.

It is not a weakly prime, because it can be changed into another prime (151012571) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75506265 + 75506266.

It is an arithmetic number, because the mean of its divisors is an integer number (75506266).

Almost surely, 2^151012531 is an apocalyptic number.

151012531 is a deficient number, since it is larger than the sum of its proper divisors (1).

151012531 is an equidigital number, since it uses as much as digits as its factorization.

151012531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 151012531 is about 12288.7155960255. The cubic root of 151012531 is about 532.5221321078.

Adding to 151012531 its reverse (135210151), we get a palindrome (286222682).

It can be divided in two parts, 1510 and 12531, that added together give a palindrome (14041).

The spelling of 151012531 in words is "one hundred fifty-one million, twelve thousand, five hundred thirty-one".