245838957 has 32 divisors (see below), whose sum is σ = 405307392. Its totient is φ = 129069504.

The previous prime is 245838953. The next prime is 245838977. The reversal of 245838957 is 759838542.

It is not a de Polignac number, because 245838957 - 2² = 245838953 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245838953) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59988 + ... + 63954.

It is an arithmetic number, because the mean of its divisors is an integer number (12665856).

Almost surely, 2^245838957 is an apocalyptic number.

It is an amenable number.

245838957 is a deficient number, since it is larger than the sum of its proper divisors (159468435).

245838957 is a wasteful number, since it uses less digits than its factorization.

245838957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4217.

The product of its digits is 2419200, while the sum is 51.

The square root of 245838957 is about 15679.2524375367. The cubic root of 245838957 is about 626.4458957440.

The spelling of 245838957 in words is "two hundred forty-five million, eight hundred thirty-eight thousand, nine hundred fifty-seven".