1254495479 has 2 divisors, whose sum is σ = 1254495480. Its totient is φ = 1254495478.

The previous prime is 1254495419. The next prime is 1254495493. The reversal of 1254495479 is 9745944521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1254495479 - 2¹² = 1254491383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1254495419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627247739 + 627247740.

It is an arithmetic number, because the mean of its divisors is an integer number (627247740).

Almost surely, 2^1254495479 is an apocalyptic number.

1254495479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254495479 is an equidigital number, since it uses as much as digits as its factorization.

1254495479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 50.

The square root of 1254495479 is about 35418.8576749731. The cubic root of 1254495479 is about 1078.5071621447.

The spelling of 1254495479 in words is "one billion, two hundred fifty-four million, four hundred ninety-five thousand, four hundred seventy-nine".