19452485 has 24 divisors (see below), whose sum is σ = 26563320. Its totient is φ = 13592448.

The previous prime is 19452481. The next prime is 19452497. The reversal of 19452485 is 58425491.

It can be written as a sum of positive squares in 4 ways, for example, as 521284 + 18931201 = 722^2 + 4351^2 .

It is not a de Polignac number, because 19452485 - 2² = 19452481 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19452481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23051 + ... + 23879.

It is an arithmetic number, because the mean of its divisors is an integer number (1106805).

Almost surely, 2^19452485 is an apocalyptic number.

It is an amenable number.

19452485 is a deficient number, since it is larger than the sum of its proper divisors (7110835).

19452485 is a wasteful number, since it uses less digits than its factorization.

19452485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885 (or 866 counting only the distinct ones).

The product of its digits is 57600, while the sum is 38.

The square root of 19452485 is about 4410.4971375118. The cubic root of 19452485 is about 268.9418345515.

The spelling of 19452485 in words is "nineteen million, four hundred fifty-two thousand, four hundred eighty-five".