475138357 has 2 divisors, whose sum is σ = 475138358. Its totient is φ = 475138356.

The previous prime is 475138309. The next prime is 475138361. The reversal of 475138357 is 753831574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 422343601 + 52794756 = 20551^2 + 7266^2 .

It is a cyclic number.

It is not a de Polignac number, because 475138357 - 2⁷ = 475138229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475136357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237569178 + 237569179.

It is an arithmetic number, because the mean of its divisors is an integer number (237569179).

Almost surely, 2^475138357 is an apocalyptic number.

It is an amenable number.

475138357 is a deficient number, since it is larger than the sum of its proper divisors (1).

475138357 is an equidigital number, since it uses as much as digits as its factorization.

475138357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 43.

The square root of 475138357 is about 21797.6686138679. The cubic root of 475138357 is about 780.3211240765.

The spelling of 475138357 in words is "four hundred seventy-five million, one hundred thirty-eight thousand, three hundred fifty-seven".