1961471 has 4 divisors (see below), whose sum is σ = 1983600. Its totient is φ = 1939344.

The previous prime is 1961467. The next prime is 1961483. The reversal of 1961471 is 1741691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1741691 = 7 ⋅248813.

It is a cyclic number.

It is not a de Polignac number, because 1961471 - 2² = 1961467 is a prime.

It is a super-3 number, since 3×1961471³ = 22639505122104270333, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1961411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10931 + ... + 11108.

It is an arithmetic number, because the mean of its divisors is an integer number (495900).

2^1961471 is an apocalyptic number.

1961471 is a deficient number, since it is larger than the sum of its proper divisors (22129).

1961471 is an equidigital number, since it uses as much as digits as its factorization.

1961471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22128.

The product of its digits is 1512, while the sum is 29.

The square root of 1961471 is about 1400.5252586084. The cubic root of 1961471 is about 125.1777949916.

The spelling of 1961471 in words is "one million, nine hundred sixty-one thousand, four hundred seventy-one".