48728431 has 2 divisors, whose sum is σ = 48728432. Its totient is φ = 48728430.

The previous prime is 48728423. The next prime is 48728441. The reversal of 48728431 is 13482784.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48728431 - 2³ = 48728423 is a prime.

It is a super-2 number, since 2×48728431² = 4748919975443522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48728441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24364215 + 24364216.

It is an arithmetic number, because the mean of its divisors is an integer number (24364216).

Almost surely, 2^48728431 is an apocalyptic number.

48728431 is a deficient number, since it is larger than the sum of its proper divisors (1).

48728431 is an equidigital number, since it uses as much as digits as its factorization.

48728431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 37.

The square root of 48728431 is about 6980.5752628276. The cubic root of 48728431 is about 365.2532951280.

The spelling of 48728431 in words is "forty-eight million, seven hundred twenty-eight thousand, four hundred thirty-one".