2601020257 has 16 divisors (see below), whose sum is σ = 2995761600. Its totient is φ = 2233405440.

The previous prime is 2601020207. The next prime is 2601020263. The reversal of 2601020257 is 7520201062.

It is a cyclic number.

It is not a de Polignac number, because 2601020257 - 2⁷ = 2601020129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2601020207) 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, 51969 + ... + 88897.

It is an arithmetic number, because the mean of its divisors is an integer number (187235100).

Almost surely, 2^2601020257 is an apocalyptic number.

It is an amenable number.

2601020257 is a deficient number, since it is larger than the sum of its proper divisors (394741343).

2601020257 is a wasteful number, since it uses less digits than its factorization.

2601020257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37296.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2601020257 is about 51000.1985976525. The cubic root of 2601020257 is about 1375.2487055577.

The spelling of 2601020257 in words is "two billion, six hundred one million, twenty thousand, two hundred fifty-seven".