961767497 has 2 divisors, whose sum is σ = 961767498. Its totient is φ = 961767496.

The previous prime is 961767473. The next prime is 961767523. The reversal of 961767497 is 794767169.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 587383696 + 374383801 = 24236^2 + 19349^2 .

It is a cyclic number.

It is not a de Polignac number, because 961767497 - 2¹⁰ = 961766473 is a prime.

It is not a weakly prime, because it can be changed into another prime (961767797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480883748 + 480883749.

It is an arithmetic number, because the mean of its divisors is an integer number (480883749).

Almost surely, 2^961767497 is an apocalyptic number.

It is an amenable number.

961767497 is a deficient number, since it is larger than the sum of its proper divisors (1).

961767497 is an equidigital number, since it uses as much as digits as its factorization.

961767497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4000752, while the sum is 56.

The square root of 961767497 is about 31012.3765132568. The cubic root of 961767497 is about 987.0898783407.

The spelling of 961767497 in words is "nine hundred sixty-one million, seven hundred sixty-seven thousand, four hundred ninety-seven".