248455651 has 4 divisors (see below), whose sum is σ = 248498632. Its totient is φ = 248412672.

The previous prime is 248455633. The next prime is 248455661. The reversal of 248455651 is 156554842.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 156554842 = 2 ⋅78277421.

It is a cyclic number.

It is not a de Polignac number, because 248455651 - 2⁹ = 248455139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248455601) 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, 11166 + ... + 24931.

It is an arithmetic number, because the mean of its divisors is an integer number (62124658).

Almost surely, 2^248455651 is an apocalyptic number.

248455651 is a deficient number, since it is larger than the sum of its proper divisors (42981).

248455651 is an equidigital number, since it uses as much as digits as its factorization.

248455651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42980.

The product of its digits is 192000, while the sum is 40.

The square root of 248455651 is about 15762.4760428050. The cubic root of 248455651 is about 628.6606728190.

The spelling of 248455651 in words is "two hundred forty-eight million, four hundred fifty-five thousand, six hundred fifty-one".