1493404525 has 12 divisors (see below), whose sum is σ = 1960752852. Its totient is φ = 1124445440.

The previous prime is 1493404511. The next prime is 1493404529. The reversal of 1493404525 is 5254043941.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 101666889 + 1391737636 = 10083^2 + 37306^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1493404525 is a prime.

It is a super-3 number, since 3×1493404525³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493404529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1756522 + ... + 1757371.

It is an arithmetic number, because the mean of its divisors is an integer number (163396071).

Almost surely, 2^1493404525 is an apocalyptic number.

It is an amenable number.

1493404525 is a deficient number, since it is larger than the sum of its proper divisors (467348327).

1493404525 is a wasteful number, since it uses less digits than its factorization.

1493404525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3513920 (or 3513915 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 1493404525 is about 38644.5924418928. The cubic root of 1493404525 is about 1143.0340143480.

The spelling of 1493404525 in words is "one billion, four hundred ninety-three million, four hundred four thousand, five hundred twenty-five".