245399349 has 16 divisors (see below), whose sum is σ = 358344000. Its totient is φ = 148454016.

The previous prime is 245399339. The next prime is 245399353. The reversal of 245399349 is 943993542.

It is not a de Polignac number, because 245399349 - 2⁴ = 245399333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245399298 and 245399307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245399339) 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, 51024 + ... + 55625.

It is an arithmetic number, because the mean of its divisors is an integer number (22396500).

Almost surely, 2^245399349 is an apocalyptic number.

It is an amenable number.

245399349 is a deficient number, since it is larger than the sum of its proper divisors (112944651).

245399349 is a wasteful number, since it uses less digits than its factorization.

245399349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106724.

The product of its digits is 1049760, while the sum is 48.

The square root of 245399349 is about 15665.2273842418. The cubic root of 245399349 is about 626.0722704723.

The spelling of 245399349 in words is "two hundred forty-five million, three hundred ninety-nine thousand, three hundred forty-nine".