961549250 has 16 divisors (see below), whose sum is σ = 1800020664. Its totient is φ = 384619600.

The previous prime is 961549241. The next prime is 961549297. The reversal of 961549250 is 52945169.

It can be written as a sum of positive squares in 4 ways, for example, as 638017081 + 323532169 = 25259^2 + 17987^2 .

It is a junction number, because it is equal to n+sod(n) for n = 961549198 and 961549207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1922849 + ... + 1923348.

Almost surely, 2^961549250 is an apocalyptic number.

961549250 is a deficient number, since it is larger than the sum of its proper divisors (838471414).

961549250 is a wasteful number, since it uses less digits than its factorization.

961549250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3846214 (or 3846204 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 961549250 is about 31008.8576055294. The cubic root of 961549250 is about 987.0152082836.

The spelling of 961549250 in words is "nine hundred sixty-one million, five hundred forty-nine thousand, two hundred fifty".