235213525 has 24 divisors (see below), whose sum is σ = 306837504. Its totient is φ = 178516800.

The previous prime is 235213507. The next prime is 235213529. The reversal of 235213525 is 525312532.

It is not a de Polignac number, because 235213525 - 2⁵ = 235213493 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 235213493 and 235213502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235213529) 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, 71415 + ... + 74635.

It is an arithmetic number, because the mean of its divisors is an integer number (12784896).

Almost surely, 2^235213525 is an apocalyptic number.

235213525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

235213525 is a deficient number, since it is larger than the sum of its proper divisors (71623979).

235213525 is a wasteful number, since it uses less digits than its factorization.

235213525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3381 (or 3376 counting only the distinct ones).

The product of its digits is 9000, while the sum is 28.

The square root of 235213525 is about 15336.6725530670. The cubic root of 235213525 is about 617.2874253953.

The spelling of 235213525 in words is "two hundred thirty-five million, two hundred thirteen thousand, five hundred twenty-five".