245329537 has 2 divisors, whose sum is σ = 245329538. Its totient is φ = 245329536.

The previous prime is 245329481. The next prime is 245329547. The reversal of 245329537 is 735923542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200760561 + 44568976 = 14169^2 + 6676^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245329537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245329537.

It is not a weakly prime, because it can be changed into another prime (245329547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122664768 + 122664769.

It is an arithmetic number, because the mean of its divisors is an integer number (122664769).

Almost surely, 2^245329537 is an apocalyptic number.

It is an amenable number.

245329537 is a deficient number, since it is larger than the sum of its proper divisors (1).

245329537 is an equidigital number, since it uses as much as digits as its factorization.

245329537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 40.

The square root of 245329537 is about 15662.9989784843. The cubic root of 245329537 is about 626.0128958205.

The spelling of 245329537 in words is "two hundred forty-five million, three hundred twenty-nine thousand, five hundred thirty-seven".