1253540074 has 16 divisors (see below), whose sum is σ = 1909897920. Its totient is φ = 616936320.

The previous prime is 1253540063. The next prime is 1253540077. The reversal of 1253540074 is 4700453521.

It is a super-4 number, since 4×1253540074⁴ (a number of 37 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1253540077) 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, 84442 + ... + 98170.

It is an arithmetic number, because the mean of its divisors is an integer number (119368620).

Almost surely, 2^1253540074 is an apocalyptic number.

1253540074 is a deficient number, since it is larger than the sum of its proper divisors (656357846).

1253540074 is a wasteful number, since it uses less digits than its factorization.

1253540074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14445.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 1253540074 is about 35405.3678698584. The cubic root of 1253540074 is about 1078.2333009670.

Adding to 1253540074 its reverse (4700453521), we get a palindrome (5953993595).

The spelling of 1253540074 in words is "one billion, two hundred fifty-three million, five hundred forty thousand, seventy-four".