1492585957 has 8 divisors (see below), whose sum is σ = 1533851000. Its totient is φ = 1451369664.

The previous prime is 1492585933. The next prime is 1492585961. The reversal of 1492585957 is 7595852941.

It is a Cunningham number, because it is equal to 38634²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1335610116 + 156975841 = 36546^2 + 12529^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1492585957 - 2¹¹ = 1492583909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1492585898 and 1492585907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1492585967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54919 + ... + 77467.

It is an arithmetic number, because the mean of its divisors is an integer number (191731375).

Almost surely, 2^1492585957 is an apocalyptic number.

It is an amenable number.

1492585957 is a deficient number, since it is larger than the sum of its proper divisors (41265043).

1492585957 is a wasteful number, since it uses less digits than its factorization.

1492585957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24375.

The product of its digits is 4536000, while the sum is 55.

The square root of 1492585957 is about 38634.0000129420. Note that the first 4 decimals coincide. The cubic root of 1492585957 is about 1142.8251354511.

The spelling of 1492585957 in words is "one billion, four hundred ninety-two million, five hundred eighty-five thousand, nine hundred fifty-seven".