525114921 has 32 divisors (see below), whose sum is σ = 784014336. Its totient is φ = 311040000.

The previous prime is 525114911. The next prime is 525114943. The reversal of 525114921 is 129411525.

It is not a de Polignac number, because 525114921 - 2¹¹ = 525112873 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (525114911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60771 + ... + 68871.

It is an arithmetic number, because the mean of its divisors is an integer number (24500448).

Almost surely, 2^525114921 is an apocalyptic number.

525114921 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

525114921 is a deficient number, since it is larger than the sum of its proper divisors (258899415).

525114921 is a wasteful number, since it uses less digits than its factorization.

525114921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8193.

The product of its digits is 3600, while the sum is 30.

The square root of 525114921 is about 22915.3861193740. The cubic root of 525114921 is about 806.7731812047.

The spelling of 525114921 in words is "five hundred twenty-five million, one hundred fourteen thousand, nine hundred twenty-one".