147825487 has 4 divisors (see below), whose sum is σ = 148052520. Its totient is φ = 147598456.

The previous prime is 147825467. The next prime is 147825493. The reversal of 147825487 is 784528741.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 147825487 - 2¹⁵ = 147792719 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 (147825437) 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, 112537 + ... + 113842.

It is an arithmetic number, because the mean of its divisors is an integer number (37013130).

Almost surely, 2^147825487 is an apocalyptic number.

147825487 is a deficient number, since it is larger than the sum of its proper divisors (227033).

147825487 is an equidigital number, since it uses as much as digits as its factorization.

147825487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227032.

The product of its digits is 501760, while the sum is 46.

The square root of 147825487 is about 12158.3505048999. The cubic root of 147825487 is about 528.7492602828.

The spelling of 147825487 in words is "one hundred forty-seven million, eight hundred twenty-five thousand, four hundred eighty-seven".