625154051 has 2 divisors, whose sum is σ = 625154052. Its totient is φ = 625154050.

The previous prime is 625154021. The next prime is 625154111. The reversal of 625154051 is 150451526.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 625154051 - 2⁶ = 625153987 is a prime.

It is not a weakly prime, because it can be changed into another prime (625154021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312577025 + 312577026.

It is an arithmetic number, because the mean of its divisors is an integer number (312577026).

Almost surely, 2^625154051 is an apocalyptic number.

625154051 is a deficient number, since it is larger than the sum of its proper divisors (1).

625154051 is an equidigital number, since it uses as much as digits as its factorization.

625154051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 625154051 is about 25003.0808301697. The cubic root of 625154051 is about 855.0582138356.

It can be divided in two parts, 62515 and 4051, that added together give a palindrome (66566).

The spelling of 625154051 in words is "six hundred twenty-five million, one hundred fifty-four thousand, fifty-one".