7451233425 has 18 divisors (see below), whose sum is σ = 13345987382. Its totient is φ = 3973991040.

The previous prime is 7451233423. The next prime is 7451233481. The reversal of 7451233425 is 5243321547.

7451233425 is a `hidden beast` number, since 74 + 512 + 33 + 42 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 445041216 + 7006192209 = 21096^2 + 83703^2 .

It is not a de Polignac number, because 7451233425 - 2¹ = 7451233423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7451233425.

It is not an unprimeable number, because it can be changed into a prime (7451233423) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16558072 + ... + 16558521.

Almost surely, 2^7451233425 is an apocalyptic number.

7451233425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7451233425 is a deficient number, since it is larger than the sum of its proper divisors (5894753957).

7451233425 is a wasteful number, since it uses less digits than its factorization.

7451233425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33116609 (or 33116601 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 7451233425 is about 86320.5272516335. The cubic root of 7451233425 is about 1953.1820433217.

The spelling of 7451233425 in words is "seven billion, four hundred fifty-one million, two hundred thirty-three thousand, four hundred twenty-five".