213397528 has 16 divisors (see below), whose sum is σ = 400394880. Its totient is φ = 106625568.

The previous prime is 213397517. The next prime is 213397553. The reversal of 213397528 is 825793312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4425 + ... + 21127.

It is an arithmetic number, because the mean of its divisors is an integer number (25024680).

Almost surely, 2^213397528 is an apocalyptic number.

It is an amenable number.

213397528 is a deficient number, since it is larger than the sum of its proper divisors (186997352).

213397528 is a wasteful number, since it uses less digits than its factorization.

213397528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18306 (or 18302 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 213397528 is about 14608.1322556992. The cubic root of 213397528 is about 597.5805606728.

The spelling of 213397528 in words is "two hundred thirteen million, three hundred ninety-seven thousand, five hundred twenty-eight".