102553663 has 2 divisors, whose sum is σ = 102553664. Its totient is φ = 102553662.

The previous prime is 102553651. The next prime is 102553681. The reversal of 102553663 is 366355201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102553663 - 2²¹ = 100456511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102553063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51276831 + 51276832.

It is an arithmetic number, because the mean of its divisors is an integer number (51276832).

Almost surely, 2^102553663 is an apocalyptic number.

102553663 is a deficient number, since it is larger than the sum of its proper divisors (1).

102553663 is an equidigital number, since it uses as much as digits as its factorization.

102553663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 102553663 is about 10126.8782455404. The cubic root of 102553663 is about 468.0767385183.

The spelling of 102553663 in words is "one hundred two million, five hundred fifty-three thousand, six hundred sixty-three".