25355401 has 2 divisors, whose sum is σ = 25355402. Its totient is φ = 25355400.

The previous prime is 25355389. The next prime is 25355411. The reversal of 25355401 is 10455352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17935225 + 7420176 = 4235^2 + 2724^2 .

It is a cyclic number.

It is not a de Polignac number, because 25355401 - 2¹³ = 25347209 is a prime.

It is not a weakly prime, because it can be changed into another prime (25355411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12677700 + 12677701.

It is an arithmetic number, because the mean of its divisors is an integer number (12677701).

Almost surely, 2^25355401 is an apocalyptic number.

It is an amenable number.

25355401 is a deficient number, since it is larger than the sum of its proper divisors (1).

25355401 is an equidigital number, since it uses as much as digits as its factorization.

25355401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 25355401 is about 5035.4146800437. The cubic root of 25355401 is about 293.7808577211.

The spelling of 25355401 in words is "twenty-five million, three hundred fifty-five thousand, four hundred one".