245627623 has 4 divisors (see below), whose sum is σ = 247254448. Its totient is φ = 244000800.

The previous prime is 245627617. The next prime is 245627633. The reversal of 245627623 is 326726542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245627623 - 2¹⁷ = 245496551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245627633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813186 + ... + 813487.

It is an arithmetic number, because the mean of its divisors is an integer number (61813612).

Almost surely, 2^245627623 is an apocalyptic number.

245627623 is a deficient number, since it is larger than the sum of its proper divisors (1626825).

245627623 is a wasteful number, since it uses less digits than its factorization.

245627623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626824.

The product of its digits is 120960, while the sum is 37.

The square root of 245627623 is about 15672.5117004263. The cubic root of 245627623 is about 626.2663374503.

The spelling of 245627623 in words is "two hundred forty-five million, six hundred twenty-seven thousand, six hundred twenty-three".