1478469253 has 2 divisors, whose sum is σ = 1478469254. Its totient is φ = 1478469252.

The previous prime is 1478469241. The next prime is 1478469257. The reversal of 1478469253 is 3529648741.

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., 1272919684 + 205549569 = 35678^2 + 14337^2 .

It is a cyclic number.

It is not a de Polignac number, because 1478469253 - 2²¹ = 1476372101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1478469197 and 1478469206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1478469257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 739234626 + 739234627.

It is an arithmetic number, because the mean of its divisors is an integer number (739234627).

Almost surely, 2^1478469253 is an apocalyptic number.

It is an amenable number.

1478469253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1478469253 is an equidigital number, since it uses as much as digits as its factorization.

1478469253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 49.

The square root of 1478469253 is about 38450.8680396165. The cubic root of 1478469253 is about 1139.2108144733.

The spelling of 1478469253 in words is "one billion, four hundred seventy-eight million, four hundred sixty-nine thousand, two hundred fifty-three".