499500157 has 4 divisors (see below), whose sum is σ = 537923260. Its totient is φ = 461077056.

The previous prime is 499500151. The next prime is 499500163. The reversal of 499500157 is 751005994.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (499500151) and next prime (499500163).

It can be written as a sum of positive squares in 2 ways, for example, as 312193561 + 187306596 = 17669^2 + 13686^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499500157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499500151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19211532 + ... + 19211557.

It is an arithmetic number, because the mean of its divisors is an integer number (134480815).

Almost surely, 2^499500157 is an apocalyptic number.

It is an amenable number.

499500157 is a deficient number, since it is larger than the sum of its proper divisors (38423103).

499500157 is a wasteful number, since it uses less digits than its factorization.

499500157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38423102.

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 499500157 is about 22349.5001510101. The cubic root of 499500157 is about 793.4359540335.

The spelling of 499500157 in words is "four hundred ninety-nine million, five hundred thousand, one hundred fifty-seven".