7824235225 has 6 divisors (see below), whose sum is σ = 9702051710. Its totient is φ = 6259388160.

The previous prime is 7824235219. The next prime is 7824235241. The reversal of 7824235225 is 5225324287.

It can be written as a sum of positive squares in 3 ways, for example, as 7376656 + 7816858569 = 2716^2 + 88413^2 .

It is not a de Polignac number, because 7824235225 - 2¹¹ = 7824233177 is a prime.

It is a super-2 number, since 2×7824235225² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156484680 + ... + 156484729.

Almost surely, 2^7824235225 is an apocalyptic number.

It is an amenable number.

7824235225 is a deficient number, since it is larger than the sum of its proper divisors (1877816485).

7824235225 is a wasteful number, since it uses less digits than its factorization.

7824235225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312969419 (or 312969414 counting only the distinct ones).

The product of its digits is 268800, while the sum is 40.

The square root of 7824235225 is about 88454.7071952646. The cubic root of 7824235225 is about 1985.2443383702.

It can be divided in two parts, 7824 and 235225, that added together give a square (243049 = 493²).

The spelling of 7824235225 in words is "seven billion, eight hundred twenty-four million, two hundred thirty-five thousand, two hundred twenty-five".