248533631 has 4 divisors (see below), whose sum is σ = 248582664. Its totient is φ = 248484600.

The previous prime is 248533609. The next prime is 248533633. The reversal of 248533631 is 136335842.

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 248533631 - 2¹⁰ = 248532607 is a prime.

It is a super-2 number, since 2×248533631² = 123537931476088322, 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 = 248533591 and 248533600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248533633) 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, 15905 + ... + 27386.

It is an arithmetic number, because the mean of its divisors is an integer number (62145666).

Almost surely, 2^248533631 is an apocalyptic number.

248533631 is a deficient number, since it is larger than the sum of its proper divisors (49033).

248533631 is an equidigital number, since it uses as much as digits as its factorization.

248533631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49032.

The product of its digits is 51840, while the sum is 35.

The square root of 248533631 is about 15764.9494448920. The cubic root of 248533631 is about 628.7264361738.

The spelling of 248533631 in words is "two hundred forty-eight million, five hundred thirty-three thousand, six hundred thirty-one".