1254535343 has 6 divisors (see below), whose sum is σ = 1285881792. Its totient is φ = 1223935280.

The previous prime is 1254535339. The next prime is 1254535361. The reversal of 1254535343 is 3435354521.

It is a happy number.

It is not a de Polignac number, because 1254535343 - 2² = 1254535339 is a prime.

It is a super-2 number, since 2×1254535343² = 3147717853672255298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254535313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 371471 + ... + 374832.

It is an arithmetic number, because the mean of its divisors is an integer number (214313632).

Almost surely, 2^1254535343 is an apocalyptic number.

1254535343 is a deficient number, since it is larger than the sum of its proper divisors (31346449).

1254535343 is an frugal number, since it uses more digits than its factorization.

1254535343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746385 (or 746344 counting only the distinct ones).

The product of its digits is 108000, while the sum is 35.

The square root of 1254535343 is about 35419.4204215710. The cubic root of 1254535343 is about 1078.5185859016.

Adding to 1254535343 its reverse (3435354521), we get a palindrome (4689889864).

The spelling of 1254535343 in words is "one billion, two hundred fifty-four million, five hundred thirty-five thousand, three hundred forty-three".