19217052 has 36 divisors (see below), whose sum is σ = 50690640. Its totient is φ = 6126912.

The previous prime is 19217047. The next prime is 19217059. The reversal of 19217052 is 25071291.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×19217052³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19217059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10777 + ... + 12432.

Almost surely, 2^19217052 is an apocalyptic number.

19217052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19217052 is an abundant number, since it is smaller than the sum of its proper divisors (31473588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19217052 is a wasteful number, since it uses less digits than its factorization.

19217052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23242 (or 23237 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 19217052 is about 4383.7258125937. The cubic root of 19217052 is about 267.8524285951.

The spelling of 19217052 in words is "nineteen million, two hundred seventeen thousand, fifty-two".