151063531 has 4 divisors (see below), whose sum is σ = 151105752. Its totient is φ = 151021312.

The previous prime is 151063519. The next prime is 151063537. The reversal of 151063531 is 135360151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135360151 = 71 ⋅1906481.

It is a cyclic number.

It is not a de Polignac number, because 151063531 - 2⁹ = 151063019 is a prime.

It is a super-2 number, since 2×151063531² = 45640380796375922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151063496 and 151063505.

It is not an unprimeable number, because it can be changed into a prime (151063537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15190 + ... + 23083.

It is an arithmetic number, because the mean of its divisors is an integer number (37776438).

Almost surely, 2^151063531 is an apocalyptic number.

151063531 is a deficient number, since it is larger than the sum of its proper divisors (42221).

151063531 is an equidigital number, since it uses as much as digits as its factorization.

151063531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42220.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 151063531 is about 12290.7904953262. The cubic root of 151063531 is about 532.5820732085.

The spelling of 151063531 in words is "one hundred fifty-one million, sixty-three thousand, five hundred thirty-one".