4751000257 has 4 divisors (see below), whose sum is σ = 4752865216. Its totient is φ = 4749135300.

The previous prime is 4751000249. The next prime is 4751000269. The reversal of 4751000257 is 7520001574.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7520001574 = 2 ⋅3760000787.

It is a cyclic number.

It is not a de Polignac number, because 4751000257 - 2³ = 4751000249 is a prime.

It is the 68928-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4751000237) by changing a digit.

It is a nontrivial repunit in base 68927.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928653 + ... + 933754.

It is an arithmetic number, because the mean of its divisors is an integer number (1188216304).

Almost surely, 2^4751000257 is an apocalyptic number.

It is an amenable number.

4751000257 is a deficient number, since it is larger than the sum of its proper divisors (1864959).

4751000257 is a wasteful number, since it uses less digits than its factorization.

4751000257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864958.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 4751000257 is about 68927.5000054405. The cubic root of 4751000257 is about 1681.1056894841.

The spelling of 4751000257 in words is "four billion, seven hundred fifty-one million, two hundred fifty-seven", and thus it is an aban number.