25070651 has 4 divisors (see below), whose sum is σ = 25117032. Its totient is φ = 25024272.

The previous prime is 25070611. The next prime is 25070653. The reversal of 25070651 is 15607052.

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

It is a cyclic number.

It is not a de Polignac number, because 25070651 - 2¹⁸ = 24808507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25070651.

It is not an unprimeable number, because it can be changed into a prime (25070653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22370 + ... + 23463.

It is an arithmetic number, because the mean of its divisors is an integer number (6279258).

Almost surely, 2^25070651 is an apocalyptic number.

25070651 is a deficient number, since it is larger than the sum of its proper divisors (46381).

25070651 is an equidigital number, since it uses as much as digits as its factorization.

25070651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46380.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 25070651 is about 5007.0601154769. The cubic root of 25070651 is about 292.6769611234.

The spelling of 25070651 in words is "twenty-five million, seventy thousand, six hundred fifty-one".