125653547 has 2 divisors, whose sum is σ = 125653548. Its totient is φ = 125653546.

The previous prime is 125653501. The next prime is 125653573. The reversal of 125653547 is 745356521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125653547 - 2¹⁸ = 125391403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125653547.

It is not a weakly prime, because it can be changed into another prime (125653597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62826773 + 62826774.

It is an arithmetic number, because the mean of its divisors is an integer number (62826774).

Almost surely, 2^125653547 is an apocalyptic number.

125653547 is a deficient number, since it is larger than the sum of its proper divisors (1).

125653547 is an equidigital number, since it uses as much as digits as its factorization.

125653547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126000, while the sum is 38.

The square root of 125653547 is about 11209.5292943103. The cubic root of 125653547 is about 500.8698817339.

The spelling of 125653547 in words is "one hundred twenty-five million, six hundred fifty-three thousand, five hundred forty-seven".