3500006257 has 16 divisors (see below), whose sum is σ = 4088232000. Its totient is φ = 2960995840.

The previous prime is 3500006203. The next prime is 3500006269. The reversal of 3500006257 is 7526000053.

It is not a de Polignac number, because 3500006257 - 2¹⁹ = 3499481969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3500006297) 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, 88507 + ... + 121792.

It is an arithmetic number, because the mean of its divisors is an integer number (255514500).

Almost surely, 2^3500006257 is an apocalyptic number.

It is an amenable number.

3500006257 is a deficient number, since it is larger than the sum of its proper divisors (588225743).

3500006257 is a wasteful number, since it uses less digits than its factorization.

3500006257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210416.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 3500006257 is about 59160.8507122742. The cubic root of 3500006257 is about 1518.2953906962.

The spelling of 3500006257 in words is "three billion, five hundred million, six thousand, two hundred fifty-seven".