48213397 has 4 divisors (see below), whose sum is σ = 48368736. Its totient is φ = 48058060.

The previous prime is 48213383. The next prime is 48213409. The reversal of 48213397 is 79331284.

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 48213397 - 2²³ = 39824789 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 (48213337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77203 + ... + 77824.

It is an arithmetic number, because the mean of its divisors is an integer number (12092184).

Almost surely, 2^48213397 is an apocalyptic number.

It is an amenable number.

48213397 is a deficient number, since it is larger than the sum of its proper divisors (155339).

48213397 is a wasteful number, since it uses less digits than its factorization.

48213397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155338.

The product of its digits is 36288, while the sum is 37.

The square root of 48213397 is about 6943.5867532566. The cubic root of 48213397 is about 363.9618891992.

The spelling of 48213397 in words is "forty-eight million, two hundred thirteen thousand, three hundred ninety-seven".