3845011253 has 4 divisors (see below), whose sum is σ = 3857295948. Its totient is φ = 3832726560.

The previous prime is 3845011249. The next prime is 3845011279. The reversal of 3845011253 is 3521105483.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 384865924 + 3460145329 = 19618^2 + 58823^2 .

It is a cyclic number.

It is not a de Polignac number, because 3845011253 - 2² = 3845011249 is a prime.

It is a super-2 number, since 2×3845011253² = 29568223071393260018, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3845011213) 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, 6141878 + ... + 6142503.

It is an arithmetic number, because the mean of its divisors is an integer number (964323987).

Almost surely, 2^3845011253 is an apocalyptic number.

It is an amenable number.

3845011253 is a deficient number, since it is larger than the sum of its proper divisors (12284695).

3845011253 is a wasteful number, since it uses less digits than its factorization.

3845011253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12284694.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 3845011253 is about 62008.1547298418. The cubic root of 3845011253 is about 1566.6279545336.

The spelling of 3845011253 in words is "three billion, eight hundred forty-five million, eleven thousand, two hundred fifty-three".