7525429 has 2 divisors, whose sum is σ = 7525430. Its totient is φ = 7525428.

The previous prime is 7525423. The next prime is 7525433. The reversal of 7525429 is 9245257.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5904900 + 1620529 = 2430^2 + 1273^2 .

It is a cyclic number.

It is not a de Polignac number, because 7525429 - 2⁹ = 7524917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7525394 and 7525403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7525423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3762714 + 3762715.

It is an arithmetic number, because the mean of its divisors is an integer number (3762715).

Almost surely, 2^7525429 is an apocalyptic number.

It is an amenable number.

7525429 is a deficient number, since it is larger than the sum of its proper divisors (1).

7525429 is an equidigital number, since it uses as much as digits as its factorization.

7525429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 34.

The square root of 7525429 is about 2743.2515378652. The cubic root of 7525429 is about 195.9643573255.

The spelling of 7525429 in words is "seven million, five hundred twenty-five thousand, four hundred twenty-nine".