253356425 has 24 divisors (see below), whose sum is σ = 367809792. Its totient is φ = 169488000.

The previous prime is 253356403. The next prime is 253356437. The reversal of 253356425 is 524653352.

It is not a de Polignac number, because 253356425 - 2⁶ = 253356361 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10481 + ... + 24830.

It is an arithmetic number, because the mean of its divisors is an integer number (15325408).

Almost surely, 2^253356425 is an apocalyptic number.

253356425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253356425 is a deficient number, since it is larger than the sum of its proper divisors (114453367).

253356425 is a wasteful number, since it uses less digits than its factorization.

253356425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35369 (or 35364 counting only the distinct ones).

The product of its digits is 108000, while the sum is 35.

The square root of 253356425 is about 15917.1739011673. The cubic root of 253356425 is about 632.7672218887.

The spelling of 253356425 in words is "two hundred fifty-three million, three hundred fifty-six thousand, four hundred twenty-five".