245090537 has 2 divisors, whose sum is σ = 245090538. Its totient is φ = 245090536.

The previous prime is 245090453. The next prime is 245090551. The reversal of 245090537 is 735090542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174345616 + 70744921 = 13204^2 + 8411^2 .

It is a cyclic number.

It is not a de Polignac number, because 245090537 - 2¹⁸ = 244828393 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 245090497 and 245090506.

It is not a weakly prime, because it can be changed into another prime (245090567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122545268 + 122545269.

It is an arithmetic number, because the mean of its divisors is an integer number (122545269).

Almost surely, 2^245090537 is an apocalyptic number.

It is an amenable number.

245090537 is a deficient number, since it is larger than the sum of its proper divisors (1).

245090537 is an equidigital number, since it uses as much as digits as its factorization.

245090537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 245090537 is about 15655.3676737405. The cubic root of 245090537 is about 625.8095425460.

The spelling of 245090537 in words is "two hundred forty-five million, ninety thousand, five hundred thirty-seven".