1302897961 has 2 divisors, whose sum is σ = 1302897962. Its totient is φ = 1302897960.

The previous prime is 1302897943. The next prime is 1302897991. The reversal of 1302897961 is 1697982031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1150227225 + 152670736 = 33915^2 + 12356^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302897961 - 2⁵ = 1302897929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1302897931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651448980 + 651448981.

It is an arithmetic number, because the mean of its divisors is an integer number (651448981).

Almost surely, 2^1302897961 is an apocalyptic number.

It is an amenable number.

1302897961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302897961 is an equidigital number, since it uses as much as digits as its factorization.

1302897961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 1302897961 is about 36095.6778714571. The cubic root of 1302897961 is about 1092.2032591469.

The spelling of 1302897961 in words is "one billion, three hundred two million, eight hundred ninety-seven thousand, nine hundred sixty-one".