102250769 has 2 divisors, whose sum is σ = 102250770. Its totient is φ = 102250768.

The previous prime is 102250711. The next prime is 102250793. The reversal of 102250769 is 967052201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101767744 + 483025 = 10088^2 + 695^2 .

It is a cyclic number.

It is not a de Polignac number, because 102250769 - 2¹⁶ = 102185233 is a prime.

It is a super-2 number, since 2×102250769² = 20910439522182722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102250969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51125384 + 51125385.

It is an arithmetic number, because the mean of its divisors is an integer number (51125385).

Almost surely, 2^102250769 is an apocalyptic number.

It is an amenable number.

102250769 is a deficient number, since it is larger than the sum of its proper divisors (1).

102250769 is an equidigital number, since it uses as much as digits as its factorization.

102250769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 102250769 is about 10111.9122326096. The cubic root of 102250769 is about 467.6154598671.

The spelling of 102250769 in words is "one hundred two million, two hundred fifty thousand, seven hundred sixty-nine".