100552649 has 2 divisors, whose sum is σ = 100552650. Its totient is φ = 100552648.

The previous prime is 100552633. The next prime is 100552651. The reversal of 100552649 is 946255001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80910025 + 19642624 = 8995^2 + 4432^2 .

It is a cyclic number.

It is not a de Polignac number, because 100552649 - 2⁴ = 100552633 is a prime.

It is a super-2 number, since 2×100552649² = 20221670441834402, which contains 22 as substring.

Together with 100552651, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100552679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50276324 + 50276325.

It is an arithmetic number, because the mean of its divisors is an integer number (50276325).

Almost surely, 2^100552649 is an apocalyptic number.

It is an amenable number.

100552649 is a deficient number, since it is larger than the sum of its proper divisors (1).

100552649 is an equidigital number, since it uses as much as digits as its factorization.

100552649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 100552649 is about 10027.5943775165. The cubic root of 100552649 is about 465.0123695018.

The spelling of 100552649 in words is "one hundred million, five hundred fifty-two thousand, six hundred forty-nine".