7648251315 has 32 divisors (see below), whose sum is σ = 12874510656. Its totient is φ = 3872010240.

The previous prime is 7648251307. The next prime is 7648251323. The reversal of 7648251315 is 5131528467.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7648251307) and next prime (7648251323).

It is not a de Polignac number, because 7648251315 - 2³ = 7648251307 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145302 + ... + 190811.

It is an arithmetic number, because the mean of its divisors is an integer number (402328458).

Almost surely, 2^7648251315 is an apocalyptic number.

7648251315 is a deficient number, since it is larger than the sum of its proper divisors (5226259341).

7648251315 is a wasteful number, since it uses less digits than its factorization.

7648251315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336199.

The product of its digits is 201600, while the sum is 42.

The square root of 7648251315 is about 87454.2812845661. The cubic root of 7648251315 is about 1970.2471895581.

The spelling of 7648251315 in words is "seven billion, six hundred forty-eight million, two hundred fifty-one thousand, three hundred fifteen".