102280441 has 2 divisors, whose sum is σ = 102280442. Its totient is φ = 102280440.

The previous prime is 102280433. The next prime is 102280447. The reversal of 102280441 is 144082201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101606400 + 674041 = 10080^2 + 821^2 .

It is a cyclic number.

It is not a de Polignac number, because 102280441 - 2³ = 102280433 is a prime.

It is a super-2 number, since 2×102280441² = 20922577222308962, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102280447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51140220 + 51140221.

It is an arithmetic number, because the mean of its divisors is an integer number (51140221).

Almost surely, 2^102280441 is an apocalyptic number.

It is an amenable number.

102280441 is a deficient number, since it is larger than the sum of its proper divisors (1).

102280441 is an equidigital number, since it uses as much as digits as its factorization.

102280441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 102280441 is about 10113.3793066413. The cubic root of 102280441 is about 467.6606877063.

The spelling of 102280441 in words is "one hundred two million, two hundred eighty thousand, four hundred forty-one".