1525493164 has 24 divisors (see below), whose sum is σ = 3044085408. Its totient is φ = 662657280.

The previous prime is 1525493161. The next prime is 1525493171. The reversal of 1525493164 is 4613945251.

It is not an unprimeable number, because it can be changed into a prime (1525493161) 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, 861952 + ... + 863719.

It is an arithmetic number, because the mean of its divisors is an integer number (126836892).

Almost surely, 2^1525493164 is an apocalyptic number.

It is an amenable number.

1525493164 is a deficient number, since it is larger than the sum of its proper divisors (1518592244).

1525493164 is a wasteful number, since it uses less digits than its factorization.

1525493164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725705 (or 1725703 counting only the distinct ones).

The product of its digits is 129600, while the sum is 40.

The square root of 1525493164 is about 39057.5621871104. The cubic root of 1525493164 is about 1151.1628223038.

The spelling of 1525493164 in words is "one billion, five hundred twenty-five million, four hundred ninety-three thousand, one hundred sixty-four".