2466250781 has 2 divisors, whose sum is σ = 2466250782. Its totient is φ = 2466250780.

The previous prime is 2466250763. The next prime is 2466250789. The reversal of 2466250781 is 1870526642.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1813908100 + 652342681 = 42590^2 + 25541^2 .

It is a cyclic number.

It is not a de Polignac number, because 2466250781 - 2²² = 2462056477 is a prime.

It is a super-2 number, since 2×2466250781² = 12164785829566219922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2466250789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1233125390 + 1233125391.

It is an arithmetic number, because the mean of its divisors is an integer number (1233125391).

Almost surely, 2^2466250781 is an apocalyptic number.

It is an amenable number.

2466250781 is a deficient number, since it is larger than the sum of its proper divisors (1).

2466250781 is an equidigital number, since it uses as much as digits as its factorization.

2466250781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 2466250781 is about 49661.3610465923. The cubic root of 2466250781 is about 1351.0738197991.

The spelling of 2466250781 in words is "two billion, four hundred sixty-six million, two hundred fifty thousand, seven hundred eighty-one".