3153961 has 2 divisors, whose sum is σ = 3153962. Its totient is φ = 3153960.

The previous prime is 3153949. The next prime is 3153989. The reversal of 3153961 is 1693513.

It is an a-pointer prime, because the next prime (3153989) can be obtained adding 3153961 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2343961 + 810000 = 1531^2 + 900^2 .

It is a cyclic number.

It is not a de Polignac number, because 3153961 - 2⁵ = 3153929 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3153901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1576980 + 1576981.

It is an arithmetic number, because the mean of its divisors is an integer number (1576981).

Almost surely, 2^3153961 is an apocalyptic number.

It is an amenable number.

3153961 is a deficient number, since it is larger than the sum of its proper divisors (1).

3153961 is an equidigital number, since it uses as much as digits as its factorization.

3153961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2430, while the sum is 28.

The square root of 3153961 is about 1775.9394696892. The cubic root of 3153961 is about 146.6511387372.

It can be divided in two parts, 3153 and 961, that added together give a palindrome (4114).

The spelling of 3153961 in words is "three million, one hundred fifty-three thousand, nine hundred sixty-one".