213153453 has 12 divisors (see below), whose sum is σ = 310878880. Its totient is φ = 140722056.

The previous prime is 213153449. The next prime is 213153469. The reversal of 213153453 is 354351312.

213153453 is a `hidden beast` number, since 2 + 1 + 315 + 345 + 3 = 666.

It is not a de Polignac number, because 213153453 - 2² = 213153449 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213153403) 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, 114043 + ... + 115896.

Almost surely, 2^213153453 is an apocalyptic number.

It is an amenable number.

213153453 is a deficient number, since it is larger than the sum of its proper divisors (97725427).

213153453 is a wasteful number, since it uses less digits than its factorization.

213153453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230048 (or 230045 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 213153453 is about 14599.7757859496. The cubic root of 213153453 is about 597.3526446961.

The spelling of 213153453 in words is "two hundred thirteen million, one hundred fifty-three thousand, four hundred fifty-three".