189652961 has 2 divisors, whose sum is σ = 189652962. Its totient is φ = 189652960.

The previous prime is 189652937. The next prime is 189652987. The reversal of 189652961 is 169256981.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189585361 + 67600 = 13769^2 + 260^2 .

It is a cyclic number.

It is not a de Polignac number, because 189652961 - 2²² = 185458657 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (189651961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94826480 + 94826481.

It is an arithmetic number, because the mean of its divisors is an integer number (94826481).

Almost surely, 2^189652961 is an apocalyptic number.

It is an amenable number.

189652961 is a deficient number, since it is larger than the sum of its proper divisors (1).

189652961 is an equidigital number, since it uses as much as digits as its factorization.

189652961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 47.

The square root of 189652961 is about 13771.4545709595. The cubic root of 189652961 is about 574.5394785226.

The spelling of 189652961 in words is "one hundred eighty-nine million, six hundred fifty-two thousand, nine hundred sixty-one".