25035137345 has 4 divisors (see below), whose sum is σ = 30042164820. Its totient is φ = 20028109872.

The previous prime is 25035137317. The next prime is 25035137383. The reversal of 25035137345 is 54373153052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4208895376 + 20826241969 = 64876^2 + 144313^2 .

It is a cyclic number.

It is not a de Polignac number, because 25035137345 - 2¹⁴ = 25035120961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25035137299 and 25035137308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2503513730 + ... + 2503513739.

It is an arithmetic number, because the mean of its divisors is an integer number (7510541205).

Almost surely, 2^25035137345 is an apocalyptic number.

It is an amenable number.

25035137345 is a deficient number, since it is larger than the sum of its proper divisors (5007027475).

25035137345 is an equidigital number, since it uses as much as digits as its factorization.

25035137345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5007027474.

The product of its (nonzero) digits is 189000, while the sum is 38.

The spelling of 25035137345 in words is "twenty-five billion, thirty-five million, one hundred thirty-seven thousand, three hundred forty-five".