25364737 has 2 divisors, whose sum is σ = 25364738. Its totient is φ = 25364736.

The previous prime is 25364723. The next prime is 25364747. The reversal of 25364737 is 73746352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23415921 + 1948816 = 4839^2 + 1396^2 .

It is a cyclic number.

It is not a de Polignac number, because 25364737 - 2¹⁹ = 24840449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25364696 and 25364705.

It is not a weakly prime, because it can be changed into another prime (25364747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12682368 + 12682369.

It is an arithmetic number, because the mean of its divisors is an integer number (12682369).

Almost surely, 2^25364737 is an apocalyptic number.

It is an amenable number.

25364737 is a deficient number, since it is larger than the sum of its proper divisors (1).

25364737 is an equidigital number, since it uses as much as digits as its factorization.

25364737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 37.

The square root of 25364737 is about 5036.3416286030. The cubic root of 25364737 is about 293.8169105464.

The spelling of 25364737 in words is "twenty-five million, three hundred sixty-four thousand, seven hundred thirty-seven".