25233333461 has 24 divisors (see below), whose sum is σ = 31141295640. Its totient is φ = 20315968512.

The previous prime is 25233333449. The next prime is 25233333467. The reversal of 25233333461 is 16433333252.

It can be written as a sum of positive squares in 4 ways, for example, as 2494503025 + 22738830436 = 49945^2 + 150794^2 .

It is not a de Polignac number, because 25233333461 - 2¹⁰ = 25233332437 is a prime.

It is a super-2 number, since 2×25233333461² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25233333467) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 394241 + ... + 453753.

It is an arithmetic number, because the mean of its divisors is an integer number (1297553985).

Almost surely, 2^25233333461 is an apocalyptic number.

It is an amenable number.

25233333461 is a deficient number, since it is larger than the sum of its proper divisors (5907962179).

25233333461 is a wasteful number, since it uses less digits than its factorization.

25233333461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60053 (or 60046 counting only the distinct ones).

The product of its digits is 116640, while the sum is 35.

The spelling of 25233333461 in words is "twenty-five billion, two hundred thirty-three million, three hundred thirty-three thousand, four hundred sixty-one".