945896531 has 4 divisors (see below), whose sum is σ = 947359152. Its totient is φ = 944433912.

The previous prime is 945896519. The next prime is 945896533. The reversal of 945896531 is 135698549.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135698549 = 7 ⋅19385507.

It is a cyclic number.

It is not a de Polignac number, because 945896531 - 2¹⁸ = 945634387 is a prime.

It is a super-2 number, since 2×945896531² = 1789440494715667922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 945896531.

It is not an unprimeable number, because it can be changed into a prime (945896533) 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, 730340 + ... + 731633.

It is an arithmetic number, because the mean of its divisors is an integer number (236839788).

Almost surely, 2^945896531 is an apocalyptic number.

945896531 is a deficient number, since it is larger than the sum of its proper divisors (1462621).

945896531 is a wasteful number, since it uses less digits than its factorization.

945896531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462620.

The product of its digits is 1166400, while the sum is 50.

The square root of 945896531 is about 30755.4309187825. The cubic root of 945896531 is about 981.6301243200.

The spelling of 945896531 in words is "nine hundred forty-five million, eight hundred ninety-six thousand, five hundred thirty-one".