25702541 has 2 divisors, whose sum is σ = 25702542. Its totient is φ = 25702540.

The previous prime is 25702513. The next prime is 25702549. The reversal of 25702541 is 14520752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19802500 + 5900041 = 4450^2 + 2429^2 .

It is a cyclic number.

It is not a de Polignac number, because 25702541 - 2¹⁸ = 25440397 is a prime.

It is a super-2 number, since 2×25702541² = 1321241227713362, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25702541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25702549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12851270 + 12851271.

It is an arithmetic number, because the mean of its divisors is an integer number (12851271).

Almost surely, 2^25702541 is an apocalyptic number.

It is an amenable number.

25702541 is a deficient number, since it is larger than the sum of its proper divisors (1).

25702541 is an equidigital number, since it uses as much as digits as its factorization.

25702541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 25702541 is about 5069.7673516642. The cubic root of 25702541 is about 295.1155001142.

The spelling of 25702541 in words is "twenty-five million, seven hundred two thousand, five hundred forty-one".