1961354241 has 24 divisors (see below), whose sum is σ = 3532137024. Its totient is φ = 1018884960.

The previous prime is 1961354237. The next prime is 1961354267. The reversal of 1961354241 is 1424531691.

It is a happy number.

1961354241 is a `hidden beast` number, since 1 + 9 + 61 + 354 + 241 = 666.

It is not a de Polignac number, because 1961354241 - 2² = 1961354237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1961354196 and 1961354205.

It is not an unprimeable number, because it can be changed into a prime (1961354231) 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, 1414426 + ... + 1415811.

It is an arithmetic number, because the mean of its divisors is an integer number (147172376).

Almost surely, 2^1961354241 is an apocalyptic number.

1961354241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1961354241 is a deficient number, since it is larger than the sum of its proper divisors (1570782783).

1961354241 is a wasteful number, since it uses less digits than its factorization.

1961354241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830261 (or 2830258 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 1961354241 is about 44287.1791944350. The cubic root of 1961354241 is about 1251.7531115438.

The spelling of 1961354241 in words is "one billion, nine hundred sixty-one million, three hundred fifty-four thousand, two hundred forty-one".