1961522552 has 32 divisors (see below), whose sum is σ = 4072101120. Its totient is φ = 878291040.

The previous prime is 1961522491. The next prime is 1961522567. The reversal of 1961522552 is 2552251691.

It is a congruent number.

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, 160448 + ... + 172239.

It is an arithmetic number, because the mean of its divisors is an integer number (127253160).

Almost surely, 2^1961522552 is an apocalyptic number.

It is an amenable number.

1961522552 is an abundant number, since it is smaller than the sum of its proper divisors (2110578568).

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

1961522552 is a wasteful number, since it uses less digits than its factorization.

1961522552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332771 (or 332767 counting only the distinct ones).

The product of its digits is 54000, while the sum is 38.

The square root of 1961522552 is about 44289.0793762977. The cubic root of 1961522552 is about 1251.7889163613.

The spelling of 1961522552 in words is "one billion, nine hundred sixty-one million, five hundred twenty-two thousand, five hundred fifty-two".