1253540086 has 32 divisors (see below), whose sum is σ = 2021443200. Its totient is φ = 581256000.

The previous prime is 1253540083. The next prime is 1253540107. The reversal of 1253540086 is 6800453521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253540083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383961 + ... + 387211.

It is an arithmetic number, because the mean of its divisors is an integer number (63170100).

Almost surely, 2^1253540086 is an apocalyptic number.

1253540086 is a deficient number, since it is larger than the sum of its proper divisors (767903114).

1253540086 is a wasteful number, since it uses less digits than its factorization.

1253540086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3484.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 1253540086 is about 35405.3680393242. The cubic root of 1253540086 is about 1078.2333044076.

The spelling of 1253540086 in words is "one billion, two hundred fifty-three million, five hundred forty thousand, eighty-six".