1517672953 has 2 divisors, whose sum is σ = 1517672954. Its totient is φ = 1517672952.

The previous prime is 1517672887. The next prime is 1517672957. The reversal of 1517672953 is 3592767151.

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., 1222761024 + 294911929 = 34968^2 + 17173^2 .

It is an emirp because it is prime and its reverse (3592767151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1517672953 - 2¹⁷ = 1517541881 is a prime.

It is not a weakly prime, because it can be changed into another prime (1517672957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 758836476 + 758836477.

It is an arithmetic number, because the mean of its divisors is an integer number (758836477).

Almost surely, 2^1517672953 is an apocalyptic number.

It is an amenable number.

1517672953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1517672953 is an equidigital number, since it uses as much as digits as its factorization.

1517672953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 396900, while the sum is 46.

The square root of 1517672953 is about 38957.3222000691. The cubic root of 1517672953 is about 1149.1923637488.

The spelling of 1517672953 in words is "one billion, five hundred seventeen million, six hundred seventy-two thousand, nine hundred fifty-three".