25012577 has 2 divisors, whose sum is σ = 25012578. Its totient is φ = 25012576.

The previous prime is 25012543. The next prime is 25012591. The reversal of 25012577 is 77521052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14714896 + 10297681 = 3836^2 + 3209^2 .

It is a cyclic number.

It is not a de Polignac number, because 25012577 - 2¹⁸ = 24750433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25012597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12506288 + 12506289.

It is an arithmetic number, because the mean of its divisors is an integer number (12506289).

Almost surely, 2^25012577 is an apocalyptic number.

It is an amenable number.

25012577 is a deficient number, since it is larger than the sum of its proper divisors (1).

25012577 is an equidigital number, since it uses as much as digits as its factorization.

25012577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 25012577 is about 5001.2575418588. The cubic root of 25012577 is about 292.4507994291.

The spelling of 25012577 in words is "twenty-five million, twelve thousand, five hundred seventy-seven".