498574157 has 2 divisors, whose sum is σ = 498574158. Its totient is φ = 498574156.

The previous prime is 498574133. The next prime is 498574163. The reversal of 498574157 is 751475894.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 349465636 + 149108521 = 18694^2 + 12211^2 .

It is a cyclic number.

It is not a de Polignac number, because 498574157 - 2²⁴ = 481796941 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498574057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249287078 + 249287079.

It is an arithmetic number, because the mean of its divisors is an integer number (249287079).

Almost surely, 2^498574157 is an apocalyptic number.

It is an amenable number.

498574157 is a deficient number, since it is larger than the sum of its proper divisors (1).

498574157 is an equidigital number, since it uses as much as digits as its factorization.

498574157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1411200, while the sum is 50.

The square root of 498574157 is about 22328.7741938513. The cubic root of 498574157 is about 792.9453461239.

The spelling of 498574157 in words is "four hundred ninety-eight million, five hundred seventy-four thousand, one hundred fifty-seven".