1493725457 has 12 divisors (see below), whose sum is σ = 1753844400. Its totient is φ = 1268365896.

The previous prime is 1493725433. The next prime is 1493725481. The reversal of 1493725457 is 7545273941.

It is an interprime number because it is at equal distance from previous prime (1493725433) and next prime (1493725481).

It is not a de Polignac number, because 1493725457 - 2⁶ = 1493725393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1493725657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137207 + ... + 147692.

It is an arithmetic number, because the mean of its divisors is an integer number (146153700).

Almost surely, 2^1493725457 is an apocalyptic number.

It is an amenable number.

1493725457 is a deficient number, since it is larger than the sum of its proper divisors (260118943).

1493725457 is a wasteful number, since it uses less digits than its factorization.

1493725457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285020 (or 285013 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 47.

The square root of 1493725457 is about 38648.7445721074. The cubic root of 1493725457 is about 1143.1158876586.

The spelling of 1493725457 in words is "one billion, four hundred ninety-three million, seven hundred twenty-five thousand, four hundred fifty-seven".