245554427 has 4 divisors (see below), whose sum is σ = 245973336. Its totient is φ = 245135520.

The previous prime is 245554411. The next prime is 245554429. The reversal of 245554427 is 724455542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724455542 = 2 ⋅362227771.

It is a cyclic number.

It is not a de Polignac number, because 245554427 - 2⁴ = 245554411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245554429) 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, 208574 + ... + 209747.

It is an arithmetic number, because the mean of its divisors is an integer number (61493334).

Almost surely, 2^245554427 is an apocalyptic number.

245554427 is a deficient number, since it is larger than the sum of its proper divisors (418909).

245554427 is an equidigital number, since it uses as much as digits as its factorization.

245554427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418908.

The product of its digits is 224000, while the sum is 38.

The square root of 245554427 is about 15670.1763551021. The cubic root of 245554427 is about 626.2041230239.

It can be divided in two parts, 24555 and 4427, that added together give a palindrome (28982).

The spelling of 245554427 in words is "two hundred forty-five million, five hundred fifty-four thousand, four hundred twenty-seven".