245351249 has 16 divisors (see below), whose sum is σ = 294955584. Its totient is φ = 201096000.

The previous prime is 245351243. The next prime is 245351251. The reversal of 245351249 is 942153542.

It is a cyclic number.

It is not a de Polignac number, because 245351249 - 2⁸ = 245350993 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. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (245351243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13802 + ... + 26099.

It is an arithmetic number, because the mean of its divisors is an integer number (18434724).

Almost surely, 2^245351249 is an apocalyptic number.

It is an amenable number.

245351249 is a deficient number, since it is larger than the sum of its proper divisors (49604335).

245351249 is a wasteful number, since it uses less digits than its factorization.

245351249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39968.

The product of its digits is 43200, while the sum is 35.

The square root of 245351249 is about 15663.6920615799. The cubic root of 245351249 is about 626.0313629419.

The spelling of 245351249 in words is "two hundred forty-five million, three hundred fifty-one thousand, two hundred forty-nine".