1494595961 has 4 divisors (see below), whose sum is σ = 1498438500. Its totient is φ = 1490753424.

The previous prime is 1494595933. The next prime is 1494595967. The reversal of 1494595961 is 1695954941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1695954941 = 59 ⋅28744999.

It can be written as a sum of positive squares in 2 ways, for example, as 353440000 + 1141155961 = 18800^2 + 33781^2 .

It is a cyclic number.

It is not a de Polignac number, because 1494595961 - 2⁶ = 1494595897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1494595967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1920686 + ... + 1921463.

It is an arithmetic number, because the mean of its divisors is an integer number (374609625).

Almost surely, 2^1494595961 is an apocalyptic number.

It is an amenable number.

1494595961 is a deficient number, since it is larger than the sum of its proper divisors (3842539).

1494595961 is an equidigital number, since it uses as much as digits as its factorization.

1494595961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3842538.

The product of its digits is 1749600, while the sum is 53.

The square root of 1494595961 is about 38660.0046689082. The cubic root of 1494595961 is about 1143.3379038502.

The spelling of 1494595961 in words is "one billion, four hundred ninety-four million, five hundred ninety-five thousand, nine hundred sixty-one".