247016495 has 16 divisors (see below), whose sum is σ = 323712288. Its totient is φ = 179456640.

The previous prime is 247016479. The next prime is 247016501. The reversal of 247016495 is 594610742.

It is not a de Polignac number, because 247016495 - 2⁴ = 247016479 is a prime.

It is a super-2 number, since 2×247016495² = 122034297604170050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68477 + ... + 71993.

It is an arithmetic number, because the mean of its divisors is an integer number (20232018).

Almost surely, 2^247016495 is an apocalyptic number.

247016495 is a deficient number, since it is larger than the sum of its proper divisors (76695793).

247016495 is a wasteful number, since it uses less digits than its factorization.

247016495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4810.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 247016495 is about 15716.7584125990. The cubic root of 247016495 is about 627.4445023218. Note that the first 3 decimals are identical.

The spelling of 247016495 in words is "two hundred forty-seven million, sixteen thousand, four hundred ninety-five".