253033649 has 8 divisors (see below), whose sum is σ = 288038592. Its totient is φ = 220029040.

The previous prime is 253033631. The next prime is 253033663. The reversal of 253033649 is 946330352.

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

It is a de Polignac number, because none of the positive numbers 2^k-253033649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253033619) 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, 499814 + ... + 500319.

It is an arithmetic number, because the mean of its divisors is an integer number (36004824).

Almost surely, 2^253033649 is an apocalyptic number.

It is an amenable number.

253033649 is a deficient number, since it is larger than the sum of its proper divisors (35004943).

253033649 is a wasteful number, since it uses less digits than its factorization.

253033649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000167.

The product of its (nonzero) digits is 58320, while the sum is 35.

The square root of 253033649 is about 15907.0314326715. The cubic root of 253033649 is about 632.4983926178.

The spelling of 253033649 in words is "two hundred fifty-three million, thirty-three thousand, six hundred forty-nine".