961552177 has 2 divisors, whose sum is σ = 961552178. Its totient is φ = 961552176.

The previous prime is 961552157. The next prime is 961552201. The reversal of 961552177 is 771255169.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 936910881 + 24641296 = 30609^2 + 4964^2 .

It is a cyclic number.

It is not a de Polignac number, because 961552177 - 2¹⁵ = 961519409 is a prime.

It is not a weakly prime, because it can be changed into another prime (961552157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480776088 + 480776089.

It is an arithmetic number, because the mean of its divisors is an integer number (480776089).

Almost surely, 2^961552177 is an apocalyptic number.

It is an amenable number.

961552177 is a deficient number, since it is larger than the sum of its proper divisors (1).

961552177 is an equidigital number, since it uses as much as digits as its factorization.

961552177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 132300, while the sum is 43.

The square root of 961552177 is about 31008.9048016856. The cubic root of 961552177 is about 987.0162097891.

The spelling of 961552177 in words is "nine hundred sixty-one million, five hundred fifty-two thousand, one hundred seventy-seven".