152535493 has 4 divisors (see below), whose sum is σ = 166402368. Its totient is φ = 138668620.

The previous prime is 152535463. The next prime is 152535499. The reversal of 152535493 is 394535251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 152535493 - 2⁹ = 152534981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152535499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6933421 + ... + 6933442.

It is an arithmetic number, because the mean of its divisors is an integer number (41600592).

Almost surely, 2^152535493 is an apocalyptic number.

It is an amenable number.

152535493 is a deficient number, since it is larger than the sum of its proper divisors (13866875).

152535493 is a wasteful number, since it uses less digits than its factorization.

152535493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13866874.

The product of its digits is 81000, while the sum is 37.

The square root of 152535493 is about 12350.5260211863. The cubic root of 152535493 is about 534.3063103027.

The spelling of 152535493 in words is "one hundred fifty-two million, five hundred thirty-five thousand, four hundred ninety-three".