253625045 has 4 divisors (see below), whose sum is σ = 304350060. Its totient is φ = 202900032.

The previous prime is 253625003. The next prime is 253625059. The reversal of 253625045 is 540526352.

253625045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 81018001 + 172607044 = 9001^2 + 13138^2 .

It is a cyclic number.

It is not a de Polignac number, because 253625045 - 2¹⁴ = 253608661 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25362500 + ... + 25362509.

It is an arithmetic number, because the mean of its divisors is an integer number (76087515).

Almost surely, 2^253625045 is an apocalyptic number.

It is an amenable number.

253625045 is a deficient number, since it is larger than the sum of its proper divisors (50725015).

253625045 is an equidigital number, since it uses as much as digits as its factorization.

253625045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50725014.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 253625045 is about 15925.6097214518. The cubic root of 253625045 is about 632.9907724264.

The spelling of 253625045 in words is "two hundred fifty-three million, six hundred twenty-five thousand, forty-five".