102153553 has 2 divisors, whose sum is σ = 102153554. Its totient is φ = 102153552.

The previous prime is 102153539. The next prime is 102153563. The reversal of 102153553 is 355351201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102070609 + 82944 = 10103^2 + 288^2 .

It is an emirp because it is prime and its reverse (355351201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102153553 - 2²¹ = 100056401 is a prime.

It is not a weakly prime, because it can be changed into another prime (102153503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51076776 + 51076777.

It is an arithmetic number, because the mean of its divisors is an integer number (51076777).

Almost surely, 2^102153553 is an apocalyptic number.

It is an amenable number.

102153553 is a deficient number, since it is larger than the sum of its proper divisors (1).

102153553 is an equidigital number, since it uses as much as digits as its factorization.

102153553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 102153553 is about 10107.1040857409. The cubic root of 102153553 is about 467.4672160945.

The spelling of 102153553 in words is "one hundred two million, one hundred fifty-three thousand, five hundred fifty-three".