245651057 has 8 divisors (see below), whose sum is σ = 258977760. Its totient is φ = 232364160.

The previous prime is 245651051. The next prime is 245651101. The reversal of 245651057 is 750156542.

245651057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245651057 - 2¹⁰ = 245650033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245651051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3182 + ... + 22392.

It is an arithmetic number, because the mean of its divisors is an integer number (32372220).

Almost surely, 2^245651057 is an apocalyptic number.

It is an amenable number.

245651057 is a deficient number, since it is larger than the sum of its proper divisors (13326703).

245651057 is a wasteful number, since it uses less digits than its factorization.

245651057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19903.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 245651057 is about 15673.2592972872. The cubic root of 245651057 is about 626.2862530424.

The spelling of 245651057 in words is "two hundred forty-five million, six hundred fifty-one thousand, fifty-seven".