2594155961 has 2 divisors, whose sum is σ = 2594155962. Its totient is φ = 2594155960.

The previous prime is 2594155939. The next prime is 2594155969. The reversal of 2594155961 is 1695514952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2136195961 + 457960000 = 46219^2 + 21400^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2594155961 is a prime.

It is not a weakly prime, because it can be changed into another prime (2594155969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1297077980 + 1297077981.

It is an arithmetic number, because the mean of its divisors is an integer number (1297077981).

Almost surely, 2^2594155961 is an apocalyptic number.

It is an amenable number.

2594155961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2594155961 is an equidigital number, since it uses as much as digits as its factorization.

2594155961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 486000, while the sum is 47.

The square root of 2594155961 is about 50932.8573810659. The cubic root of 2594155961 is about 1374.0378434277.

The spelling of 2594155961 in words is "two billion, five hundred ninety-four million, one hundred fifty-five thousand, nine hundred sixty-one".