1254487913 has 8 divisors (see below), whose sum is σ = 1458000960. Its totient is φ = 1057050000.

The previous prime is 1254487909. The next prime is 1254487931. The reversal of 1254487913 is 3197844521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1254487913 - 2² = 1254487909 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1254487963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1518338 + ... + 1519163.

It is an arithmetic number, because the mean of its divisors is an integer number (182250120).

Almost surely, 2^1254487913 is an apocalyptic number.

It is an amenable number.

1254487913 is a deficient number, since it is larger than the sum of its proper divisors (203513047).

1254487913 is an equidigital number, since it uses as much as digits as its factorization.

1254487913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3037567.

The product of its digits is 241920, while the sum is 44.

The square root of 1254487913 is about 35418.7508673019. The cubic root of 1254487913 is about 1078.5049939420.

The spelling of 1254487913 in words is "one billion, two hundred fifty-four million, four hundred eighty-seven thousand, nine hundred thirteen".