1494595801 has 4 divisors (see below), whose sum is σ = 1494677812. Its totient is φ = 1494513792.

The previous prime is 1494595799. The next prime is 1494595807. The reversal of 1494595801 is 1085954941.

It is a happy number.

1494595801 is a nontrivial binomial coefficient, being equal to C(54674, 2).

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 834054400 + 660541401 = 28880^2 + 25701^2 .

It is a 3-Lehmer number, since φ(1494595801) divides (1494595801-1)³.

It is a cyclic number.

It is not a de Polignac number, because 1494595801 - 2¹ = 1494595799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1494595807) 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, 1 + ... + 54673.

It is an arithmetic number, because the mean of its divisors is an integer number (373669453).

It is a Poulet number, since it divides 2^1494595800-1.

Almost surely, 2^1494595801 is an apocalyptic number.

1494595801 is the 54673-rd triangular number and also the 27337-th hexagonal number.

1494595801 is the 18225-th centered nonagonal number.

It is an amenable number.

1494595801 is a deficient number, since it is larger than the sum of its proper divisors (82011).

1494595801 is an equidigital number, since it uses as much as digits as its factorization.

1494595801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82010.

The product of its (nonzero) digits is 259200, while the sum is 46.

The square root of 1494595801 is about 38660.0025995860. The cubic root of 1494595801 is about 1143.3378630512.

The spelling of 1494595801 in words is "one billion, four hundred ninety-four million, five hundred ninety-five thousand, eight hundred one".