19452961 has 16 divisors (see below), whose sum is σ = 22016448. Its totient is φ = 17035200.

The previous prime is 19452943. The next prime is 19452973. The reversal of 19452961 is 16925491.

It is a cyclic number.

It is not a de Polignac number, because 19452961 - 2¹¹ = 19450913 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 19452961.

It is not an unprimeable number, because it can be changed into a prime (19452931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35290 + ... + 35836.

It is an arithmetic number, because the mean of its divisors is an integer number (1376028).

Almost surely, 2^19452961 is an apocalyptic number.

19452961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

19452961 is a deficient number, since it is larger than the sum of its proper divisors (2563487).

19452961 is a wasteful number, since it uses less digits than its factorization.

19452961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672.

The product of its digits is 19440, while the sum is 37.

The square root of 19452961 is about 4410.5510993526. The cubic root of 19452961 is about 268.9440281918.

The spelling of 19452961 in words is "nineteen million, four hundred fifty-two thousand, nine hundred sixty-one".