245501461 has 2 divisors, whose sum is σ = 245501462. Its totient is φ = 245501460.

The previous prime is 245501449. The next prime is 245501483. The reversal of 245501461 is 164105542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148084561 + 97416900 = 12169^2 + 9870^2 .

It is a cyclic number.

It is not a de Polignac number, because 245501461 - 2⁹ = 245500949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245501411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122750730 + 122750731.

It is an arithmetic number, because the mean of its divisors is an integer number (122750731).

Almost surely, 2^245501461 is an apocalyptic number.

It is an amenable number.

245501461 is a deficient number, since it is larger than the sum of its proper divisors (1).

245501461 is an equidigital number, since it uses as much as digits as its factorization.

245501461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 245501461 is about 15668.4862383065. The cubic root of 245501461 is about 626.1590957863.

The spelling of 245501461 in words is "two hundred forty-five million, five hundred one thousand, four hundred sixty-one".