245306957 has 12 divisors (see below), whose sum is σ = 297814560. Its totient is φ = 197893056.

The previous prime is 245306953. The next prime is 245306989. The reversal of 245306957 is 759603542.

It is not a de Polignac number, because 245306957 - 2² = 245306953 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 (245306953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58607 + ... + 62652.

It is an arithmetic number, because the mean of its divisors is an integer number (24817880).

Almost surely, 2^245306957 is an apocalyptic number.

It is an amenable number.

245306957 is a deficient number, since it is larger than the sum of its proper divisors (52507603).

245306957 is a wasteful number, since it uses less digits than its factorization.

245306957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121300 (or 121283 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 245306957 is about 15662.2781548535. The cubic root of 245306957 is about 625.9936892667.

The spelling of 245306957 in words is "two hundred forty-five million, three hundred six thousand, nine hundred fifty-seven".