248062531 has 4 divisors (see below), whose sum is σ = 248727952. Its totient is φ = 247397112.

The previous prime is 248062523. The next prime is 248062543. The reversal of 248062531 is 135260842.

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 248062531 - 2³ = 248062523 is a prime.

It is a super-2 number, since 2×248062531² = 123070038572251922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 248062493 and 248062502.

It is not an unprimeable number, because it can be changed into a prime (248062511) 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, 332151 + ... + 332896.

It is an arithmetic number, because the mean of its divisors is an integer number (62181988).

Almost surely, 2^248062531 is an apocalyptic number.

248062531 is a deficient number, since it is larger than the sum of its proper divisors (665421).

248062531 is an equidigital number, since it uses as much as digits as its factorization.

248062531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665420.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 248062531 is about 15750.0009841270. Note that the first 3 decimals coincide. The cubic root of 248062531 is about 628.3289307918.

Subtracting from 248062531 its sum of digits (31), we obtain a square (248062500 = 15750²).

The spelling of 248062531 in words is "two hundred forty-eight million, sixty-two thousand, five hundred thirty-one".