961905258 has 48 divisors (see below), whose sum is σ = 2117232000. Its totient is φ = 315581472.

The previous prime is 961905257. The next prime is 961905277. The reversal of 961905258 is 852509169.

961905258 is a `hidden beast` number, since 9 + 619 + 0 + 5 + 25 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (961905251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 319243 + ... + 322241.

It is an arithmetic number, because the mean of its divisors is an integer number (44109000).

Almost surely, 2^961905258 is an apocalyptic number.

961905258 is an abundant number, since it is smaller than the sum of its proper divisors (1155326742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

961905258 is a wasteful number, since it uses less digits than its factorization.

961905258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3283 (or 3280 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The square root of 961905258 is about 31014.5974985973. The cubic root of 961905258 is about 987.1370054607.

The spelling of 961905258 in words is "nine hundred sixty-one million, nine hundred five thousand, two hundred fifty-eight".