1597152494 has 8 divisors (see below), whose sum is σ = 2737975728. Its totient is φ = 684493920.

The previous prime is 1597152493. The next prime is 1597152511. The reversal of 1597152494 is 4942517951.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1597152493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57041147 + ... + 57041174.

It is an arithmetic number, because the mean of its divisors is an integer number (342246966).

Almost surely, 2^1597152494 is an apocalyptic number.

1597152494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1597152494 is a deficient number, since it is larger than the sum of its proper divisors (1140823234).

1597152494 is a wasteful number, since it uses less digits than its factorization.

1597152494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114082330.

The product of its digits is 453600, while the sum is 47.

The square root of 1597152494 is about 39964.3903243875. The cubic root of 1597152494 is about 1168.9128367624.

The spelling of 1597152494 in words is "one billion, five hundred ninety-seven million, one hundred fifty-two thousand, four hundred ninety-four".