10149961 has 2 divisors, whose sum is σ = 10149962. Its totient is φ = 10149960.

The previous prime is 10149949. The next prime is 10150013. The reversal of 10149961 is 16994101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9884736 + 265225 = 3144^2 + 515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10149961 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10149911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5074980 + 5074981.

It is an arithmetic number, because the mean of its divisors is an integer number (5074981).

Almost surely, 2^10149961 is an apocalyptic number.

It is an amenable number.

10149961 is a deficient number, since it is larger than the sum of its proper divisors (1).

10149961 is an equidigital number, since it uses as much as digits as its factorization.

10149961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 10149961 is about 3185.9003437019. The cubic root of 10149961 is about 216.5150673909.

The spelling of 10149961 in words is "ten million, one hundred forty-nine thousand, nine hundred sixty-one".