51034203025 has 12 divisors (see below), whose sum is σ = 68150290012. Its totient is φ = 37686795840.

The previous prime is 51034203013. The next prime is 51034203037. The reversal of 51034203025 is 52030243015.

It is an interprime number because it is at equal distance from previous prime (51034203013) and next prime (51034203037).

It can be written as a sum of positive squares in 6 ways, for example, as 1828759696 + 49205443329 = 42764^2 + 221823^2 .

It is not a de Polignac number, because 51034203025 - 2¹¹ = 51034200977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78513834 + ... + 78514483.

Almost surely, 2^51034203025 is an apocalyptic number.

It is an amenable number.

51034203025 is a deficient number, since it is larger than the sum of its proper divisors (17116086987).

51034203025 is a wasteful number, since it uses less digits than its factorization.

51034203025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157028340 (or 157028335 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The spelling of 51034203025 in words is "fifty-one billion, thirty-four million, two hundred three thousand, twenty-five".