1254514049 has 4 divisors (see below), whose sum is σ = 1259177940. Its totient is φ = 1249850160.

The previous prime is 1254514043. The next prime is 1254514061. The reversal of 1254514049 is 9404154521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9404154521 = 5683 ⋅1654787.

It can be written as a sum of positive squares in 2 ways, for example, as 108014449 + 1146499600 = 10393^2 + 33860^2 .

It is a cyclic number.

It is not a de Polignac number, because 1254514049 - 2²⁸ = 986078593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1254514043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2331542 + ... + 2332079.

It is an arithmetic number, because the mean of its divisors is an integer number (314794485).

Almost surely, 2^1254514049 is an apocalyptic number.

It is an amenable number.

1254514049 is a deficient number, since it is larger than the sum of its proper divisors (4663891).

1254514049 is an equidigital number, since it uses as much as digits as its factorization.

1254514049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4663890.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 1254514049 is about 35419.1198224914. The cubic root of 1254514049 is about 1078.5124837473.

The spelling of 1254514049 in words is "one billion, two hundred fifty-four million, five hundred fourteen thousand, forty-nine".