2503057861 has 2 divisors, whose sum is σ = 2503057862. Its totient is φ = 2503057860.

The previous prime is 2503057847. The next prime is 2503057867. The reversal of 2503057861 is 1687503052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2480637636 + 22420225 = 49806^2 + 4735^2 .

It is a cyclic number.

It is not a de Polignac number, because 2503057861 - 2¹¹ = 2503055813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2503057861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2503057867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251528930 + 1251528931.

It is an arithmetic number, because the mean of its divisors is an integer number (1251528931).

Almost surely, 2^2503057861 is an apocalyptic number.

It is an amenable number.

2503057861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2503057861 is an equidigital number, since it uses as much as digits as its factorization.

2503057861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 2503057861 is about 50030.5692652003. The cubic root of 2503057861 is about 1357.7619369578.

The spelling of 2503057861 in words is "two billion, five hundred three million, fifty-seven thousand, eight hundred sixty-one".