2594157961 has 4 divisors (see below), whose sum is σ = 2638126800. Its totient is φ = 2550189124.

The previous prime is 2594157953. The next prime is 2594157983. The reversal of 2594157961 is 1697514952.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2594157961 - 2³ = 2594157953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2594157901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21984331 + ... + 21984448.

It is an arithmetic number, because the mean of its divisors is an integer number (659531700).

Almost surely, 2^2594157961 is an apocalyptic number.

It is an amenable number.

2594157961 is a deficient number, since it is larger than the sum of its proper divisors (43968839).

2594157961 is an equidigital number, since it uses as much as digits as its factorization.

2594157961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43968838.

The product of its digits is 680400, while the sum is 49.

The square root of 2594157961 is about 50932.8770147534. The cubic root of 2594157961 is about 1374.0381965387.

The spelling of 2594157961 in words is "two billion, five hundred ninety-four million, one hundred fifty-seven thousand, nine hundred sixty-one".