248431501 has 2 divisors, whose sum is σ = 248431502. Its totient is φ = 248431500.

The previous prime is 248431493. The next prime is 248431507. The reversal of 248431501 is 105134842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227225476 + 21206025 = 15074^2 + 4605^2 .

It is a cyclic number.

It is not a de Polignac number, because 248431501 - 2³ = 248431493 is a prime.

It is a super-2 number, since 2×248431501² = 123436421378226002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 248431501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248431507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124215750 + 124215751.

It is an arithmetic number, because the mean of its divisors is an integer number (124215751).

Almost surely, 2^248431501 is an apocalyptic number.

It is an amenable number.

248431501 is a deficient number, since it is larger than the sum of its proper divisors (1).

248431501 is an equidigital number, since it uses as much as digits as its factorization.

248431501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 248431501 is about 15761.7099643408. The cubic root of 248431501 is about 628.6403034598.

The spelling of 248431501 in words is "two hundred forty-eight million, four hundred thirty-one thousand, five hundred one".