245470061 has 2 divisors, whose sum is σ = 245470062. Its totient is φ = 245470060.

The previous prime is 245470051. The next prime is 245470067. The reversal of 245470061 is 160074542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174741961 + 70728100 = 13219^2 + 8410^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245470061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245470067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122735030 + 122735031.

It is an arithmetic number, because the mean of its divisors is an integer number (122735031).

Almost surely, 2^245470061 is an apocalyptic number.

It is an amenable number.

245470061 is a deficient number, since it is larger than the sum of its proper divisors (1).

245470061 is an equidigital number, since it uses as much as digits as its factorization.

245470061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 245470061 is about 15667.4841949817. The cubic root of 245470061 is about 626.1323990899.

The spelling of 245470061 in words is "two hundred forty-five million, four hundred seventy thousand, sixty-one".