247652495 has 16 divisors (see below), whose sum is σ = 303482592. Its totient is φ = 193966080.

The previous prime is 247652491. The next prime is 247652501. The reversal of 247652495 is 594256742.

247652495 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 247652495 - 2² = 247652491 is a prime.

It is a super-2 number, since 2×247652495² = 122663516559450050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247652491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44255 + ... + 49535.

It is an arithmetic number, because the mean of its divisors is an integer number (18967662).

Almost surely, 2^247652495 is an apocalyptic number.

247652495 is a deficient number, since it is larger than the sum of its proper divisors (55830097).

247652495 is a wasteful number, since it uses less digits than its factorization.

247652495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5482.

The product of its digits is 604800, while the sum is 44.

The square root of 247652495 is about 15736.9785854846. The cubic root of 247652495 is about 627.9825402194.

The spelling of 247652495 in words is "two hundred forty-seven million, six hundred fifty-two thousand, four hundred ninety-five".