19652131 has 2 divisors, whose sum is σ = 19652132. Its totient is φ = 19652130.

The previous prime is 19652089. The next prime is 19652141. The reversal of 19652131 is 13125691.

It is a strong prime.

It is an emirp because it is prime and its reverse (13125691) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19652131 is a prime.

It is a super-2 number, since 2×19652131² = 772412505682322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19652131.

It is not a weakly prime, because it can be changed into another prime (19652141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9826065 + 9826066.

It is an arithmetic number, because the mean of its divisors is an integer number (9826066).

Almost surely, 2^19652131 is an apocalyptic number.

19652131 is a deficient number, since it is larger than the sum of its proper divisors (1).

19652131 is an equidigital number, since it uses as much as digits as its factorization.

19652131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 28.

The square root of 19652131 is about 4433.0724108681. The cubic root of 19652131 is about 269.8587784571.

It can be divided in two parts, 1965 and 2131, that added together give a 12-th power (4096 = 2¹²).

The spelling of 19652131 in words is "nineteen million, six hundred fifty-two thousand, one hundred thirty-one".