102629531 has 2 divisors, whose sum is σ = 102629532. Its totient is φ = 102629530.

The previous prime is 102629491. The next prime is 102629537. The reversal of 102629531 is 135926201.

It is a strong prime.

It is an emirp because it is prime and its reverse (135926201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102629531 - 2⁶ = 102629467 is a prime.

It is a super-2 number, since 2×102629531² = 21065641266559922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 102629494 and 102629503.

It is not a weakly prime, because it can be changed into another prime (102629537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51314765 + 51314766.

It is an arithmetic number, because the mean of its divisors is an integer number (51314766).

Almost surely, 2^102629531 is an apocalyptic number.

102629531 is a deficient number, since it is larger than the sum of its proper divisors (1).

102629531 is an equidigital number, since it uses as much as digits as its factorization.

102629531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 102629531 is about 10130.6234260286. The cubic root of 102629531 is about 468.1921359646.

The spelling of 102629531 in words is "one hundred two million, six hundred twenty-nine thousand, five hundred thirty-one".