25473401 has 2 divisors, whose sum is σ = 25473402. Its totient is φ = 25473400.

The previous prime is 25473379. The next prime is 25473419. The reversal of 25473401 is 10437452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21631801 + 3841600 = 4651^2 + 1960^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25473401 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25473431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12736700 + 12736701.

It is an arithmetic number, because the mean of its divisors is an integer number (12736701).

Almost surely, 2^25473401 is an apocalyptic number.

It is an amenable number.

25473401 is a deficient number, since it is larger than the sum of its proper divisors (1).

25473401 is an equidigital number, since it uses as much as digits as its factorization.

25473401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 25473401 is about 5047.1180885729. The cubic root of 25473401 is about 294.2358890169.

The spelling of 25473401 in words is "twenty-five million, four hundred seventy-three thousand, four hundred one".