245425853 has 4 divisors (see below), whose sum is σ = 253342848. Its totient is φ = 237508860.

The previous prime is 245425841. The next prime is 245425867. The reversal of 245425853 is 358524542.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 245425853 - 2⁴ = 245425837 is a prime.

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 (245424853) 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, 3958451 + ... + 3958512.

It is an arithmetic number, because the mean of its divisors is an integer number (63335712).

Almost surely, 2^245425853 is an apocalyptic number.

It is an amenable number.

245425853 is a deficient number, since it is larger than the sum of its proper divisors (7916995).

245425853 is an equidigital number, since it uses as much as digits as its factorization.

245425853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7916994.

The product of its digits is 192000, while the sum is 38.

The square root of 245425853 is about 15666.0733114587. The cubic root of 245425853 is about 626.0948090027.

The spelling of 245425853 in words is "two hundred forty-five million, four hundred twenty-five thousand, eight hundred fifty-three".